YourMOA.com
MOA Calculator for House Flippers & Investors
🏠 Improved Property (Has Building)
Toggle on if buying vacant land or lot
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AS-IS / Light Repairs
MR — Mid Range Market
HE — High End Market
⚠ BIG 6 — Common Price Ranges
Foundation$350–450 per pier
Roof$140 per sq ft
HVAC$5,000–12,000
Hot Water Heater$1,000–1,500
Plumbing$5,000–10,000
Electrical$5,000–10,000
Septic$5,000–15,000
Add Big 6 costs to Itemized Rehab tab for precision.
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Financing
Mortgage options
Sensitivity Analysis
Stress-test ARV and combined costs
ARV Adjustment (-25% to +10%)0% → $394,224
-25%0%+10%
Combined Costs Overrun (-25% to +25%)0% → $137,978
-25%0%+25%
Scenario Matrix — Gross Margin %
Adj. ARV: $394,224 · Adj. Costs: $137,978 · Current Margin: 65.0%
| ARV \ Costs | -2% | -1% | Base | +1% | +2% |
|---|---|---|---|---|---|
| +2% | 66.4% | 66.0% | 65.7% | 65.3% | 65.0% |
| +1% | 66.0% | 65.7% | 65.3% | 65.0% | 64.7% |
| Base | 65.7% | 65.4% | 65.0% | 64.6% | 64.3% |
| -1% | 65.4% | 65.0% | 64.6% | 64.3% | 63.9% |
| -2% | 65.0% | 64.6% | 64.3% | 63.9% | 63.6% |
≥15%10–15%<10%
Stress-Tested Profit
$256,246
65.0% margin
Strong margin.
📊 Live Results — Tiered
Core MAO Calculation
Blended ARV$394,224
Selected Rehab Tier—
Rehab $$98,556
Total Deductions20.0%
MAO$216,823
+ Platform Fee (5%)$19,711
Contract Price$236,534
✅ VIABLE DEAL
Buyer Economics
Buyer Equity (5%)$19,711
Gross Margin (ARV − MAO − Rehab)$78,845
Avg Comp $/sf$137.60
Deal Analytics
MAO % of ARV55.0%
Rehab % of ARV25.0%
Closing %5%
Holding %5%