70% Rule Investing Calculator
Estimate your maximum purchase price
About This Calculator
The 70% Rule
This calculator is based on the "70% Rule of Thumb" which states that a rehabber should pay no more than 70% of the after repair value, less any repair costs or other profit needed.
- Estimate maximum purchase price
- Account for repair costs
- Plan your profit margin
- Make informed investment decisions
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Use this calculator to quickly estimate a smart purchase price before making an offer on a fix-and-flip or value-add property. It helps investors stay disciplined, reduce risk, and evaluate deals consistently, especially when speed matters.
Instead of manually running numbers or relying on rough estimates, this tool gives you a clear benchmark so you can decide whether a deal is worth pursuing or walking away from.
When This Calculator Is Most Useful
This calculator is commonly used during:
- Initial deal analysis
- Offer price validation
- Wholesale deal evaluation
- Fix-and-flip feasibility checks
It is especially helpful when reviewing distressed, off-market, or renovation-heavy properties where pricing mistakes can quickly reduce profits.
How Investors Use the Results
Investors typically use the estimated purchase price to:
- Set a maximum offer before negotiating
- Compare multiple deals side by side
- Avoid emotional or rushed buying decisions
- Identify deals that do not meet profit criteria early
If a seller’s asking price is significantly higher than the estimated number, it is often a signal to renegotiate or move on.
Important Considerations
The results from this calculator are meant to be a starting point, not a final answer. Local market conditions, property specifics, financing costs, and exit strategy all impact the final outcome.
Some investors adjust their margins based on market competitiveness, risk tolerance, experience level, or expected holding period. Always validate estimates using local comparable sales and professional guidance.
Built for Real-World Deal Analysis
Successful investors rely on repeatable systems rather than guesswork. Tools like this calculator help bring structure and consistency to deal analysis so you can focus on opportunities that align with your investment goals.
Combining deal analysis with proper lead tracking, follow-ups, and pipeline management can further improve deal flow and closing efficiency.
Final Thought
The 70% Rule Investing Calculator helps you evaluate deals faster, filter out weak opportunities, and focus on properties that make financial sense before you invest time or money.
Use it as part of a disciplined investment process to protect margins and make more confident decisions.