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K M. Kerr
K M. Kerr

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The Pricing Secret That Makes DIY Projects Cost 30% More Than They Should

Last March, a homeowner in Nassau showed me his receipts for a bathroom renovation he'd started himself. He'd bought tile, grout, paint, brushes, rollers, drop cloths, sandpaper — the standard list. He was proud of the work. The receipts told a different story.

He'd paid $847 for materials that should have cost him around $590.

Same brands. Same quantities. Same store. The difference? He walked in as a retail customer. The pros walk in with a business account and pay 15-30% less on nearly everything.

I've been painting and renovating in the Bahamas since 1992. I've watched this exact scenario play out hundreds of times. A homeowner decides to tackle a project themselves to save money — and they do save on labor. But they bleed cash on materials without ever knowing it.

Here's what nobody in the supply chain will tell you: the pricing structure is built against the individual buyer. Manufacturers and retailers give volume discounts, trade pricing, and business-only rates to contractors. The homeowner walking in off the street pays full retail — every single time.

That $200 bathroom paint job? The paint alone could be $40 cheaper with the right account. Multiply that across every project you do in a year, and you're leaving real money on the table.

The fix is simpler than you think.

Amazon runs a free business account program. It's called Amazon Business, and it gives you access to business-only pricing, quantity discounts, and tax-exempt purchasing if you qualify. You don't need a contractor's license. You don't need an LLC. If you buy supplies for home projects — even just your own — you qualify.

Here's what changes when you stop buying as a consumer and start buying through a business account:

1. Business pricing on supplies you already buy. Paint, sandpaper, brushes, drop cloths, masking tape, caulk, rollers — the consumables that eat into every project budget. Business pricing typically runs 10-30% below retail on these items.

2. Quantity discounts that actually matter. Buying a case of painter's tape instead of three individual rolls? That's where the savings stack up. Business accounts unlock tiered pricing that retail customers never see.

3. Tax-exempt purchasing. If you're renovating a property you own, many states let you buy materials tax-free. The Amazon Business account lets you upload your tax exemption certificate and stop paying sales tax on project materials.

4. Spend visibility. Every receipt is organized. Every purchase is tracked. When you're running multiple projects — or even just one big one — knowing exactly where your money went changes how you budget the next one.


What the uninformed DIYer does: Walks into the hardware store or opens Amazon, buys everything at retail price, pays sales tax, and wonders why the project ran 25% over budget.

What the smart homeowner does now: Signs up for a free Amazon Business account, buys the same supplies at business pricing, uploads their tax exemption if eligible, and keeps the difference.

The gap between those two approaches is not skill. It's not experience. It's information — and now you have it.


I've been on job sites since 1992. I've seen homeowners do beautiful work with their own hands — work they should be proud of. The only thing that undercuts that pride is the quiet frustration of knowing they paid too much to get there.

You didn't pick up a paintbrush or a tile saw to overpay for the privilege. You did it to build something with your own hands and keep your money where it belongs.

Here's the account I tell every homeowner about when they ask me how to keep project costs down:
👉 Amazon Business — Free Signup

It's free to register. No purchase required. And it changes what you pay on every supply order from here forward.


Get the free guide — free.
I put 34 years of job-site experience into this. No opt-in walls, no courses to buy — just the guide.
👉 Get it here

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