Free tools
Free tools for rental arbitrage.
Four tools we use internally, free for every operator. No account needed.
Free tool
Free Greenlight check
Enter an address and rent to see if estimated revenue clears 1.5x the rent, with a revenue range and the main drivers.
Open tool →Free toolRental arbitrage calculator
Estimate monthly cashflow, payback and cash-on-cash return for any STR or MTR unit.
Open tool →Free toolLandlord pitch letter generator
Write a professional arbitrage proposal to a landlord in under two minutes.
Open tool →Free toolLease clause checker
Paste a lease and flag the clauses that block or allow subletting and short stays.
Open tool →Go further
Skip the napkin math. Get the real numbers.
Every listing on ArbiBase is landlord-approved and already underwritten with the Greenlight Engine.