Fix and Flip Calculator
Plug in the After Repair Value, repairs, and your offer to see profit, ROI, and the Maximum Allowable Offer (MAO) — the most you should pay and still hit your margin.
Deal inputs
How a fix and flip calculator works
The 70% rule is the wholesaler and flipper shorthand for a safe offer: MAO = ARV × 70% − repairs. ARV (After Repair Value) is what the home sells for once it's fixed up — pulled from recent comparable sales within a half-mile and the last 90 days. Repairs are the all-in budget to bring the property to that ARV. Subtracting repairs from 70% of ARV leaves room for closing costs, holding costs, agent commissions, and the investor's profit.
Why MAO matters when you wholesale
When you assign a contract, your cash buyer is running this exact math on the other side. If your contract price plus your assignment fee is above their MAO, they walk. Calculating MAO before you make an offer protects your fee — and lets you negotiate from numbers, not hope.
Skip the spreadsheet
Offr AI does this calculation on every property automatically. Paste your buy box, and every match comes back scored with ARV, repair estimate, MAO, and your suggested assignment fee.