What is the 70% rule in house flipping?

The 70% rule is a common real estate investing guideline that suggests fix-and-flip investors should pay no more than 70% of a property's after repair value (ARV) minus estimated repair costs.

How do you calculate the 70% rule?

The basic formula is: Maximum Offer = (After Repair Value × 70%) − Estimated Repair Costs. Investors use this calculation to estimate a potential purchase price while accounting for renovation expenses and profit margins.

What does ARV mean in real estate investing?

ARV stands for After Repair Value. It represents the estimated market value of a property after renovations and repairs have been completed.

Is the 70% rule always accurate?

No. The 70% rule is a general guideline, not a guaranteed formula. Market conditions, holding costs, financing, labor expenses, and local competition can all affect whether a deal makes financial sense.

What tools can help investors analyze fix-and-flip deals?

Many investors use tools like comps, rehab calculators, investment analysis software, and property data platforms to estimate ARV, repair costs, profit potential, and overall deal viability.

How does PropStream help fix-and-flip investors?

PropStream helps investors identify off-market opportunities, analyze comps, estimate renovation costs, calculate potential returns, and build lead lists using nationwide property data and investment tools.

PropStream Academy

Sep 29, 2026 • PropStream

Blast Off to a Smarter Outbound Marketing Strategy in Our Latest Free Course

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PropStream Academy — $20 Marketing Credit

The PropStream Academy Credit promotion ('Promotion') begins Monday, September 29th, 2026, and ends Friday, October 16th, 2026 ('Promotion Period'). To qualify, participants must fully complete PropStream’s Guide to Outbound Marketing course during the Promotion Period. Partial completion does not qualify. This Promotion is open to all PropStream customers, new and existing, including those on a free trial. A $20 marketing credit will be applied to the qualifying participant's PropStream account within three (3) business days following verified course completion. Marketing credits are non-transferable, have no cash value, and may not be substituted for any other offer. Credits may only be applied toward eligible PropStream marketing services. PropStream reserves the right to verify completion records and disqualify any participant found to have misrepresented their eligibility. PropStream reserves the right to modify or cancel this Promotion at any time without prior notice. Void where prohibited by law.