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ARV & House Flipping Calculator — MAO, 70% Rule & Profit Gauge

Calculate your Maximum Allowable Offer (MAO) for any fix-and-flip deal. Enter the After Repair Value, repair costs, holding costs, and target profit to.

✓ Formula verified: January 2026For informational purposes only

ARV & Flipping

Results below

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Maximum Allowable Offer (MAO)
$175,000

Max Offer (detailed)

$175,000

Estimated Profit at MAO

$60,000

Return on Investment (ROI)

25.0%

70% Rule Value

$160,000

After Repair Value (ARV)

$300,000

Total Project Costs

$240,000

What if your after repair value (arv) changes? $270000 → $151,000 · $300000 → $175,000 · $330000 → $199,000

Scenario Comparison

Conservative (5%)
$16,470.09
$6,470.09 interest
Your scenario (7%)
$20,096.61
$10,096.61 interest
Aggressive (10%)
$27,070.41
$17,070.41 interest
High-risk (14%)
$40,224.71
$30,224.71 interest
Best return
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Flip Analysis & 70% Rule

The 70% Rule

70% Rule Formula:Max Offer = ARV × 0.70 − Repair Costs= $300,000 × 0.70 − $50,000= $160,000If MAO < 70% Rule → Conservative deal
25.0% ROI0%50%

Estimated Profit

$60,000

Strong deal — above 20% ROI target.

Budget Breakdown (% of ARV)

Purchase (MAO)

$175,000

Repairs

$50,000

Holding Costs

$15,000

Profit

$60,000

MAO

$175,000

Total Costs

$240,000

70% Rule

$160,000

ROI

25.0%

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Maximum Allowable Offer (MAO): $175,000

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