Accurately analyze house flips, commercial DSCR loans, BRRRR refinances, itemized renovation budgets, and wholesale contract assignments. Fast, private, and mathematically verified.
70% Rule Qualification, ARV Comps & Net ROI
Calculate Maximum Allowable Offer (MAO), holding expenses, closing fees, contractor budgets, and net flip profit in seconds.
Debt Service Coverage Ratio & Cash Flow Analyzer
Underwrite non-QM commercial rental financing without W-2s. Check monthly PITI debt service, DSCR approval ratios, and cash flow cushion.
Buy, Rehab, Rent, Refinance, Repeat Financial Model
Project cash-out refinance equity recapture, track cash left in deal, post-refi monthly cash flow, and infinite return milestones.
Square Footage Renovation Planner & Trade Overrides
Itemize materials and labor across roofing, kitchens, baths, HVAC, and flooring with Light/Medium/Heavy presets and contingency buffers.
Seller MAO, Assignment Spread & End-Buyer Margin
Reverse-engineer cash buyer requirements to establish strict seller contract offers, protect assignment fees, and compare double closings.
Compare target investor profiles, key input requirements, and primary mathematical outputs across our five underwriting engines.
| Investment Tool | Target User | Primary Formula / Input | Key Output Metric |
|---|---|---|---|
| Fix & Flip Profit Calculator | House Flippers & Rehabbers | 70% Rule MAO, ARV Comps, Holding Costs | Net Profit & Total ROI % |
| DSCR Loan Calculator | Buy & Hold Landlords | Gross Monthly Rent / Monthly PITI | DSCR Ratio (≥1.25x Target) |
| BRRRR Strategy Calculator | Portfolio Scalers & BRRRR Investors | Total Capital Outlay vs. 75% Refi LTV | Infinite Return & Cash Left |
| Rehab Cost Estimator | Contractors & Underwriters | Square Footage Scope + Trade Line-Items | Total Budget + Cost / Sq Ft |
| Wholesale Contract Calculator | Real Estate Wholesalers | ARV - Rehab - Holding - Buyer Profit - Fee | Seller MAO & Assignment Spread |
All calculations, ratios, formulas, debt coverage estimates, and investment projections generated by this RunMyFlip Investment Tools Suite on RunMyFlip (runmyflip.com) are intended strictly for educational, informational, and preliminary scenario analysis purposes.
RunMyFlip is not a registered investment advisor, certified financial planner (CFP), licensed mortgage originator, certified public accountant (CPA), or real estate brokerage. Real estate investing carries inherent financial and market risks, including market devaluation, unexpected construction defects, supply chain delays, vacancies, refinancing denials, and economic shifts. Underwriting terms and mortgage qualification vary by lender criteria, borrower creditworthiness, and local property zoning. Always conduct thorough on-site physical inspections, order licensed appraisals, verify title status with an attorney or title company, and consult qualified financial and legal professionals before executing binding purchase agreements or financing commitments.