Free investing calculators that include the costs most tools hide — so you see the cash flow you’ll actually get, not the fantasy.
Run my deal → Free · No sign-up · Nothing to installThe toolkit
Each one bakes in vacancy, capex, maintenance and management — the line items commodity calculators quietly leave at zero.
Cash flow, cash-on-cash return, cap rate and break-even occupancy — with honest, editable cost assumptions.
Open calculator →Monthly payment (PITI with PMI), total interest, and the closing costs people forget to budget for.
Open calculator →Model a buy-rehab-rent-refinance deal and see how much capital you actually pull back out.
Open calculator →See the DSCR your lender uses to approve the loan vs the DSCR you actually operate with — side by side, with the gap explained honestly.
Open calculator →Learn
The four costs other tools hide — vacancy, maintenance, capex and management — and how to run honest numbers on any deal.
Read the guide →How much to set aside for the big-ticket replacements — roof, HVAC, water heater — broken down by component lifespan.
Read the guide →What vacancy really costs, what the national data shows, and how to pick a rate that won’t flatter your deal.
Read the guide →Takes about two minutes. No sign-up, no rosy defaults.
Run my deal →