The Problem
As a real estate investor, I was spending 2+ hours per deal running numbers by hand. Worse, I'd forget to account for holding costs, or miscalculate the impact of a 3-month delay in sale.
The Solution
I built a Google Sheets template that does the heavy lifting. Here's how it works:
The 4 Key Metrics You Need to Track
- ARV (After-Repair Value) — What will the house sell for after renovation
- Rehab Budget — 20 line items + 15% contingency built in
- All-In Costs — Purchase, closing, interest, holding, selling
- IRR/ROI — The final numbers that tell you if it's a deal
How to Use the Template
- Enter your property details
- Fill in rehab costs
- Read your profit/ROI instantly
- Stress-test with the sensitivity table
I've pre-filled 3 sample flips so you can see exactly how it works.
The Math (For Nerds)
If you want to understand the underlying calculations:
ROI = (Sale Price - All Costs) / All Costs
Where All Costs = Purchase + Closing (3%) + Rehab + Interest + Holding + Commission (6%)
Annualized ROI = ((1 + ROI)^(12/holding months)) - 1
This gives you a standardized return you can compare across deals of different durations.
IRR uses =IRR() in Google Sheets with a 5-year cash flow series.
Get the Template
I put this template on Gumroad for a small fee to cover the hours of formula work. If you want the Google Sheets version with all formulas unlocked and the sensitivity analysis already built, grab it here:
Real Estate Flip Analysis — Google Sheets
Happy flipping! 🏠
Tags: googlesheets, realestate, investing, excel, finance
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