DEV Community: Nana Fosu

The Inventory Cost Most Businesses Never Measure

Nana Fosu — Tue, 16 Jun 2026 15:42:25 +0000

When businesses discuss inventory costs, the initial costs that come to mind are usually apparent and concrete. Many of them include the following, but they may include many other costs:

storage costs
stockout costs
overstock costs
damaged products
carrying costs

These are essential.

However, there is an often-ignored cost of inventory that we have seen many businesses overlook:

uncertainty.

This uncertainty manifests when a team is not entirely comfortable with the inventory data at their fingertips.

A warehouse employee re-checks a quantity before dispatch.

A purchasing agent delays a replenishment order because the inventory count could be inaccurate.

A sales rep calls a warehouse to confirm an item's availability prior to confirming with a customer.

Each of these interactions could last only a few minutes. Multiply those few minutes by the number of hours in a day and multiply that by the number of teams with a need for this information, and you quickly begin to see significant operational drag.

This results in lower decision speed, operational efficiency, and overall confidence throughout an entire company. This is why inventory management, at its core, should be more about visibility that is trustworthy rather than simple product tracking.

When the inventory information is accurate, up-to-the-minute, and easy for anyone with a role-based need to view, a company loses time spent double-checking and begins to gain time for taking action. The team can begin to move faster.

It can begin to make better decisions.

It can create a more predictable flow of operations. In fact, for most organizations, the value of a strong inventory system is found less in the inventory itself and more in the level of confidence it instills.

To learn more about improving inventory visibility and operational workflows please see:

https://theinventorymaster.com

Why Inventory Data Has a Shelf Life

Nana Fosu — Thu, 04 Jun 2026 16:42:20 +0000

The majority of businesses assume that their inventory data is either "correct" or "incorrect".

But there is another category that can cause numerous problems within operations:

Stale inventory data.

There is a "use-by date" for all inventory information.

As soon as any movement is made with inventory, sales are made, goods are transferred in or out, receipts are recorded, or any adjustment is made to the data, then value of the existing inventory data begins to decrease.

This then raises an important question:

How old does inventory information get before it is no longer valuable to an operation?

For many businesses, inventory reports are generated:

Daily.
Weekly.
Monthly.

It is possible that the inventory reports generated were actually correct at the point of creation.

The problem is that operations don't stop while the reports are in transit, or while someone reads them and makes a decision. The time that passes between creation of the report and when someone makes a decision based on it, is time that passes that has made the data on the report a lie.

The unseen cost of stale data.

Many businesses focus a great deal of effort on ensuring that their inventory data is "accurate."

Stale inventory data causes a lot of the same problems as "inaccurate" inventory data. For example:

A manager pulls a report that shows that there is "500 units on hand." It was factually correct 3 hours ago when it was run. However, 300 units have already been sold over that period. When the manager makes a purchasing or production decision based on that information, it is already flawed. This can result in stockouts or the overselling to a customer.

Inventory decisions are "time-sensitive."

Compared to most other business metrics, inventory is different. Revenue reports, for example, can typically be reviewed and analyzed at any time. However, inventory decisions often need to be made immediately. Purchasing decisions, fulfillment decisions, transfer decisions and production decisions all are based on current inventory information. As that information stale, a bad decision is likely to be made.

Why real-time inventory visibility is crucial.

The most successful businesses that excel in inventory performance focus on minimizing the time span between:

A physical event and...
A system update.

The shorter that gap, the more valuable the inventory information becomes to an operation. Real-time inventory visibility provides faster decisions, better forecasts, and customer satisfaction. The idea is that the uncertainty is reduced because we know that our data is up to date.

The goal is not "perfect" accuracy.

It seems that every operation wants "perfect" inventory accuracy. However, more times than not, "current" inventory information is often more valuable to an operation than "perfectly accurate, stale" information.

The best systems will provide both speed and accuracy.

Final Thought.

Inventory information gets stale.

The question isn't if your inventory information is accurate, but if your inventory information is relevant at the point you make a decision.

Here are more articles about inventory visibility and operational efficiency:
https://theinventorymaster.com

Why Inventory Visibility Matters More Than Inventory Counts

Nana Fosu — Wed, 03 Jun 2026 11:03:34 +0000

Many businesses assess inventory performance based on how accurate stock counts are. While inventory accuracy is indeed significant, it is often not the operational performance factor upon which business performance depends. This is where visibility really comes into play. You can take a perfect inventory count every single month, but if the information isn't readily available to make business decisions, the business still has an inventory problem. Inventory visibility is defined as knowing;
what inventory you have,
where inventory is located,
how quickly the inventory is moving and,
when the inventory needs replenishing.
Without this knowledge, decision making is often made by necessity, not informed decisions. Orders are placed, "because I don't know what we have", warehouse staff searches endlessly for stock and sales staff make promises they may or may not be able to fulfill, all while the system states that what you do have in stock, is where and how fast it should be. This often occurs even though inventory records are accurate to the decimal point. It's a case of the information not being readily available, to where the decision needs to be made. A technically perfect, but dated report is often of less value than an slightly inaccurate, but live, report. As business expands, the role of visibility will undoubtedly increase due to stock no longer being centralized in one single location. Whether inventory is moving through:
warehouse(s)
retail outlet(s)
fulfillment centers
suppliers
customers
The movements of products create additional data to capture and convey. When visibility starts to erode, business control becomes fragmented. The reliance shifts to:
manual checks
spreadsheets
verbal information
personal opinion.
While these may provide some measure of immediate comfort, these methods are unsustainable in a growing environment. Robust systems aim to narrow the divide between real time event and the updates in a system, so the faster that inventory data moves throughout the business, the more accurate the business decisions will be. The goal of inventory management is not to understand what has occurred. It is to understand what is occurring right now. For more information about inventory visibility and operational workflow, please visit:
https://theinventorymaster.com

The Moment Spreadsheets Stop Working for Inventory Management

Nana Fosu — Tue, 02 Jun 2026 15:06:04 +0000

It is true for many businesses that the inventory management starts from spreadsheets. The simplicity, familiarity and flexibility of spreadsheets can make it suitable for many small businesses with their early stage. A spreadsheet is adequate enough for a business to keep track of products, quantity and movement of stocks at the beginning. As a matter of fact, spreadsheets work well enough in initial days.

However, as the business grows up. More products added. More shops opened. More people are included. More stock move from warehouse to store, van, workshop and site etc. These could be a time to get the limitation of the spreadsheet. In fact, spreadsheets usually fail not by overnight, but it can gradually fail. Everything is normal on surface level. Stock numbers are correct. Reports can still be generated. Business seems running normal. However, it contains more and more small errors under surface level. Ultimately, small errors became impossible to be neglected as business problems.

Why spreadsheets work in the first place:

Spreadsheets is one solution of inventory management due to the following advantages.
For a business at a single location with a limited products:
low cost
flexible
customized
quick to implement
no special training needed
For less frequent product moving, it would not take too much time to enter data. Warehouse employees can fill in and managers can review it. A company can continue business without huge problem at this time. They might be correct in using spreadsheets at this stage. But it become to be a problem when the operation is complicated.

First sign: several people inputting data.
If more than one people are imputing data, then problems emerge such as: which one is the latest? Who is the one last updated and did he actually save it correctly? Has anyone overwritten previous data? In this point, managing the spreadsheet becomes a primary focus of inventory management. Uncertainty grows and it costs a business significantly.

Second sign: more than one location.
The biggest breaking point of a business comes at the point when the business have more than one inventory location. It can be multiple warehouses, many stores, different delivery vans or service vehicles, or temporary storerooms etc. As it may be physical existed, it's unsure whether anybody is fully know it and where it is? Inquiries are popping out one by one through the day like: "Is there inventory at warehouse A or store B, did it receive it? Was that entry recorded? Which store actually has the item?" At this stage, the spreadsheet may show there are some information, but they are lack of confidence.

Hidden problem: delayed visibility.
The majority of inventory issues is not due to "missing items," but due to "slow to discover item." Consider two storerooms: One shipment from warehouse to store is completed if there is a system update on the spreadsheet that represents it has already left warehouse, or has already arrived in store. If the spreadsheet is updated after some time of delayed delivery, then it may lead to discrepancies in the business. A hundred similar delayed inputs per month means that business's current inventory number has drifted far from the reality. It's a fact that if the delay is greater, so does the distance between actual and logical information. Many of inventory issues are related to visibility issue. Businesses do not have "no data"; rather, they have "no actual-time data". The actual figures for inventory visibility and business operation were illustrated in https://theinventorymaster.com.

Another sign: manual workaround emerge.
Employees develop other manual systems like own personal spreadsheet, handwritten note, independent tracking or inventory checklist, informal report and so on due to they could no longer trust the main system. When trust starts to disappear, efficiency is lost significantly. Inventory information is no longer used for decision making, and staff spends most of the time trying to confirm the information. This is basically a business workaround rather than workaround a spreadsheet.

Cost of uncertainty.
Businesses seem to only notice the losses of theft, damage or overstock/stock-out etc. But a costs of uncertainty itself is still significant. Once the company has no confidence in inventory information, they would be delay to make decisions, managers will ask staff to check again, and will place orders cautiously to avoid understock. Stock would be held up in inventory just-in-case, all these indirect costs can overcome the direct losses due to missing inventory. The business processes slows down not due to the low performance, but due to the verification work.

Replace with what?
Modern inventory management system could overcome those challenges effectively not for feature enrichment, but for gaining visibility.

Centralized data: The single source of truth available to all.
Real-time updates: inventory changes reflected immediately.
Location visibility: employees know exactly where inventory is.
User accountability: every change can be traced back to an action.
Automated workflow: reduction of manually intensive operations.
It's a clarity and efficiency that matters.

Technology is not the magic pill.
One common assumption that organizations make is that buying a new software will automatically resolve inventory management issues. But, it would just automate a poor process; a bad process is still a bad process. When adopting new systems, focus should be put on standardized processes, proper receiving procedures, tracking movements precisely, and encouraging adoption by staff. Technology enhances effective processes.

The actual lesson:
Spreadsheets fail when the speed of business exceeds the speed of updates. This is the fundamental reason of business process limitations. Not about the number of products, number of stores but rather, how quickly information can flow. Once there is a gap, there is no visibility, and there is no way for inventory management to run beyond simply guesswork.

Final comment.
Spreadsheets is one of the best tools we could have. Many businesses are thanks to its convenience for their growth. However, inventory management is ultimately a situation that requires a higher level of visibility, speed and collaboration. At this stage, spreadsheets no longer fit for a business, instead it becomes a constraint. Successful businesses are those who recognize this and use tools that keep information moving as fast as operations. If you want to find out more information about inventory visibility and business processes, please refer to https://theinventorymaster.com.

Inventory Systems Are Really Communication Systems

Nana Fosu — Wed, 27 May 2026 23:13:27 +0000

It is commonly thought that inventory systems only exist to count stock.

At face value, this is correct. Inventory systems track what came in, what went out, and what is in storage.

But if you observe how real warehouses operate in practice, you'll notice something more.

Inventory systems are not simply tracking devices.

They are communication systems.

Every single update to inventory represents a communication between different business units:

receiving department reports that an item arrived
warehouse staff report what they put into storage, or moved to a different location
sales staff report that they sold something
purchasing department reports that something needs to be reordered

When communication happens smoothly, the business functions predictably and orderly.

When it doesn't, everything starts to unravel.

The real problem isn't inventory, it's the flow of information

Typical blame for inventory problems:

bad software
human error
poor training
inaccurate forecasts

Most often, the underlying problem is simpler:

The flow of information isn't happening fast or consistently enough.

Let's take a simple scenario.

A product has been delivered to the warehouse.

Ideally:

It's received.
The stock level is immediately updated.
Everyone in the organization can see that the item is in stock.

But in many real-world operations:

The item is delivered, but receiving takes a while.
Stock is written down on paper, and entered later.
It's entered incorrectly, or skipped altogether.
By the time the system is updated, the physical status has already changed again.

This creates a disparity between:

what actually exists, and
what the system says exists

Why communication failures can cause inventory issues

When communication in an inventory system breaks down:

Double ordering will happen. Two departments will believe there is stock on hand.
Reacting to trends will be too slow. Reordering occurs after the stock has already run out.
Records can become conflicting. There can be various interpretations of "what is real."
Operations can become muddled. Staff stops trusting the system and resorts to physically checking everything.

At this stage, an inventory system is still present, but it no longer holds a monopoly on what is true. Employees start relying on memory, experience, or on-site inspection. This is where efficiency drastically decreases.

Why speed is more important than complexity

Many businesses try to overcome their inventory challenges by introducing:

more tools
more dashboards
more reports
more integrations

This complexity does not fix the underlying issue. The speed of information does. A simple, immediately updating system is infinitely more valuable than an elaborate one that updates late.

Why?

Inventory-related decisions have time sensitivity. A few hours delay could affect:

purchasing choices
where to put goods in the warehouse
how quickly customer orders can be fulfilled
how cash is managed

What actually matters with a good inventory system

An effective inventory system consists of four core principles:

Instant communication-all movements are registered as they happen.
Unified view-everyone in the company has the same information, at the same time.
Minimum reliance on humans-less dependency on memory, paper, or deferred input.
Simple processes-easy to follow steps that guarantee consistent data capture.

When these aspects are present, inventory shifts from being a problem to being the firm bedrock upon which a business operates.

The underlying lesson

Inventory management is about more than just physical counting.

It is about how quickly and accurately data moves through a business.

If data moves rapidly, inventory is consistent.

If it moves slowly, even the most sophisticated system will fail.

This is why many inventory issues persist after adopting sophisticated new tools-they address the tracking, not the communication.

A final word of encouragement

Businesses often aim to enhance inventory management by changing systems.

However, real improvement comes from altering processes.

Instant, unified inventory communication makes everything else naturally better: decision making, forecasting, operational efficiency, employee trust, etc.

Inventory systems work when they act more like communication networks than databases.

Find more insights about inventory systems and operational transparency at theinventorymaster.com

Inventory Systems Don’t Fail at Tracking. They Fail at Trust.

Nana Fosu — Tue, 26 May 2026 13:34:30 +0000

Most of the inventory conversations I've been part of revolve around tracking. Barcodes. Dashboards. Software. However, a lot of inventory problems begin after the data is generated. The core issue is trust. As soon as numbers and the physical counts start conflicting, teams will lose faith in the system and fall back to manual processes, spreadsheets and guesswork. By this stage, the system is still physically present, but no longer leading processes. Great inventory systems go beyond tracking; they build trust. When people have faith in the data, processes get quicker and decisions much easier. Inventory isn't a technology problem, it's a trust issue. Read more about inventory visibility and processes at theinventorymaster .com

Why Inventory Data Becomes Less Useful as Businesses Grow

Nana Fosu — Mon, 25 May 2026 14:10:59 +0000

The bigger it gets, the more it should work better.

But often what businesses see with inventory is just the opposite.

As there are more products, more suppliers, more locations, more inventory data is lost with reliability.

And why?

Because the procedure that worked for the small operation never got updated for the growing business.

The business grew. The process didn't.

This leads to:

stale updates
duplicate entries
manual corrections
doubt about quantity in stock

The issue is rarely with the software,

the issue is with the fact that the inventory process never caught up with the operations.

Reliable inventory systems scale well because they maintain their data in a way that is always simple, updated and accessible across different teams.

Growing shouldn't bring decreased - and thus increased - visibility.

And more on workflows and the operational side of things with regards to inventory theinventorymaster .com

Why Manual Inventory Workflows Quietly Break Operations

Nana Fosu — Wed, 20 May 2026 20:32:38 +0000

Manual inventory processes don't seem so harmful at first:

A spreadsheet over there.
A notebook here.
An update to "do later." The individual tasks, in themselves, don't appear threatening. But as operations expand, manual processes create undetected drag:
Slow inventory updates.
Inaccurate inventory records.
Duplicate tasks.
Lack of reports. The difficulty is not work but time. When your inventory information doesn't keep pace with your activities, you become responsive. Many organizations turn to:
Real-time updates.
Barcode processes.
Unified inventory records.
Simplified workflows. They aren't necessarily looking to remove people but to shorten the time between tasks and knowledge of them. More ideas on inventory processes and visibility theinventorymaster .com

Why Inventory Systems Fail Without Structure

Nana Fosu — Mon, 18 May 2026 14:05:55 +0000

Most inventory systems don't fail because they are missing functionality.

Most inventory systems fail because they don't have structure.

When product is held in multiple units of measure (case, each, 10 pack) and different team members update the system in different ways, the inventory system degrades over time (even with sophisticated tools).

This breakdown usually takes the form of:

SKU definition discrepancies
Conflicting tracking units (cases and units)
Non-standardized receiving
"Multiple truths" in data entry

Fragmented inventory data will plague the system. The fix isn't more tools, but rather enforcement of product structure and workflow discipline. Most successful inventory structures involve:

Consistent GTIN/SKU mapping
Standardized receiving protocols
Uniform inventory updates
Designed with a single source of truth

Why Inventory Systems Don’t Fail at Tracking — They Fail at Structure

Nana Fosu — Mon, 11 May 2026 14:29:25 +0000

Everybody thinks that the cause of inventory issues is bad tracking and poorly designed software.

In real life, the cause of inventory issues isn't tracking.

It's structure.

Structure defined in inventory

What does structure actually mean in inventory?

Product definitions (SKU, UPC, GTIN)
Grouping levels for quantities (unit, pack, case)
Management of locations (warehouse, store, aisle, bin)
Data flow between systems

When structure is lacking, no amount of tracking tools or software can solve an inventory issue.

When do things begin to fall apart

The inventory issues typically begin to appear when:

the same item is entered in multiple ways
stock is tracked at different levels (e.g., units and cases)
different teams don't enter data consistently
systems don't agree on what a product is

In essence, the system isn't broken, just not clear enough.

Why it becomes an even bigger issue as a business grows

When a business grows:

more SKUs are added
more packaging varieties begin appearing
more locations are introduced
more individuals will begin touching the inventory system

Without structure to tie everything together, these small inconsistencies stack up to larger inventory errors.

What will really boost inventory systems?

There are two things that will improve inventory performance:

Consistent product hierarchy (unit pack case)
Clear SKU / GTIN mapping rules
Standard update processes
One single system of record

The key is not more tools, it's proper data structure.

Final word

The failure of inventory systems is not that they fail to track items.

The cause of their failure is not tracking enough about a product at the first point of entry.

Fix structure, and tracking becomes by default quite capable.

There is more about structured inventory systems at https://theinventorymaster.com

Why Inventory Problems Are Really Visibility Problems

Nana Fosu — Fri, 08 May 2026 12:58:35 +0000

The majority of business inventory problems don’t arise from a lack of hard work or a bad system. They are almost entirely a result of a lack of visibility. When you cannot truly see the product on the shelf, where it is and how it is flowing through your business everything else is guesswork.

Where problems often begin
The reasons inventory problems start often boil down to:
*Delayed or manual updates to stock
*A discrepancy between sales and warehouse data
*Differing 'truth sources' across your teams
*Unnoticed and minor errors, leading to large problems

They may seem small individually, but cumulatively they build to chaos.

The actual effect
Without the correct visibility in the supply chain you are at the mercy of the following:
*Stockouts with no warning
*Over-ordering inventory that will likely never sell
*A lack of quick decision-making ability
*Potentially inaccurate reports
*Wasted time sifting through information to check inventory levels
Your system, then, ceases to become an asset, rather a reaction to the problems your lack of visibility is causing.

What truly optimizes inventory control
You do not have to create additional complexity to improve your inventory management process. You actually simply need more visibility:

real-time stock updates *a single source of truth *a simpler workflow for your employees to follow *less manual input and lag between systems

When your entire team shares a consistent, current view of inventory levels, decisions get made with more ease, and with a far higher degree of accuracy.

A final thought
Managing your inventory does not merely revolve around tracking products; it focuses on enabling your entire business to possess a clear, up-to-the-minute view of what is actually happening on your warehouse floors and with your supply chain. This enables your inventory to no longer be a problem, but rather an engine of growth.

Find out more: https://theinventorymaster.com

Why Good Inventory Decisions Still Go Wrong in Real Businesses

Nana Fosu — Thu, 07 May 2026 13:51:14 +0000

The majority of inventory issues are not due to a lack of data; they stem from tardy or contradictory data.

Although systems have evolved, organizations still fail to make proper inventory decisions because:

Updates to sales data are delayed.
Updates to stock levels do not sync in real-time.
Different teams believe they are operating with a different "single source of truth."

This causes the discrepancy between what the system believes is real, and the true picture of what is happening on the shop floor.

The fundamental problem

A business's inventory dashboard may appear to be up to date, but unless it's fed in real-time, decisions are always behind the reality.

This brief gap is what causes:

Inaccurate reorders.
Stockouts.
Overstocking.
Disparate reports.

What actually improves decision making:

Better inventory performance is obtained by a real-time, shared single version of truth, linked via seamless workflows, and used with uniformity by every team.

When the data is unified with real-time updates across the entire organization, decision making speeds up, and accuracy goes up.

Bottom line:
Most inventory mistakes are not related to the absence of data; rather they relate to the fact that data does not reflect what is truly happening at the point of decision.