About BRRRR Calculator
Deconstructing the Buy, Rehab, Rent, Refinance, Repeat framework, equity velocity modeling, and institutional underwriting standards.
💡 Why We Built a Paywall-Free Alternative
For decades, traditional real estate investing advised buyers to save a 20% down payment, buy a turnkey rental property, and wait 5 to 7 years to accumulate another down payment. This slow, linear approach caps most middle-class investors at 2 or 3 properties.
The BRRRR framework changed everything by applying institutional private equity principles to residential real estate: buy distress, force equity through renovation, stabilize rental cash flow, and extract invested capital via cash-out refinancing to recycle the same capital into the next deal.
Unfortunately, corporate real estate portals often lock deal modeling tools behind expensive monthly subscriptions (such as $39/month PRO memberships), restricting beginner investors from evaluating prospective acquisitions. BRRRR Calculator was created to provide a 100% free, unlimited, client-side financial model accessible to every investor worldwide.
📐 Mathematical Anatomy of a Perfect BRRRR
Force Equity Through Renovation
Unlike stocks where investors are passive, real estate allows active value creation. Spending $40,000 on modernization that increases property market value by $80,000 creates instant unrealized equity.
Tax-Free Refinance Proceeds
Under United States tax law, cash received from a loan or cash-out mortgage refinance is borrowed debt, not income. It is 100% exempt from federal and state income taxes, providing completely non-taxable liquidity.
🛡️ Institutional Underwriting & Risk Controls
- Appraisal Risk: Always pull conservative comparable sales (comps) within 0.5 miles closed within the past 90 days to avoid over-estimating After-Repair Value.
- Seasoning Requirements: Standard Fannie Mae guidelines often require 6 to 12 months ownership before refinancing on the new appraised value; DSCR commercial lenders often permit faster seasoning with contractor invoices.
- Debt Coverage (DSCR): Ensure your post-refinance rent exceeds principal, interest, taxes, and insurance (PITI) by at least 1.20x to remain cash flow positive.
🔒 100% Client-Side Privacy Commitment
Your prospective real estate deals, private numbers, purchase prices, and investment criteria are strictly your business. BRRRR Calculator runs 100% in your local browser using client-side JavaScript. No deal parameters are ever transmitted or saved on remote servers.