Free tools

Three free tools. No signup required.

Before you list anything, answer the three questions that cost accidental landlords the most: what to charge, whether it's worth it, and whether your current listing even works.

Rent estimator

What should you charge?

Tell us about your unit: bedrooms, bathrooms, city, amenities. We return a rent range (low, recommended, high) with confidence, backed by local comps.

Estimate my rent

ROI calculator

Is renting it out worth it?

Annual cash flow, cap rate, and cash-on-cash return from rent, mortgage, tax, insurance, HOA, and reserves. Toggle "with DoorStopper" to see your vacancy savings.

Run the numbers

Listing grader

Paste your listing. Get a grade.

Drop in your current listing text (or a URL). Get a letter grade A through F, a list of concrete fixes, and a rewritten version you can post as-is.

Grade my listing

All estimates are informational only and not a guarantee of rentability, market value, or investment return.

Liked the tools? The full DoorStopper product lists your rental, talks to every lead, and screens applicants for you.

Start free →