For small landlords

The numbers behind your rental, worked out properly.

Free calculators for the decisions that cost real money — proration, yield, rent increases, deposit interest — plus software comparisons built from verified vendor pricing, not marketing copy.

Calculators

Prorated rent

Move-in mid-month? Three methods, side by side.

Rental yield & cap rate

Gross yield, NOI, cap rate, cash-on-cash — one form.

Rent increase

Percentage, state caps (CA, OR, WA…), and notice rules.

Deposit interest

Which states make you pay interest, and how much.

Vacancy cost

What an empty month really costs vs dropping the rent.

Rent-to-income

The 3× rule and the 30% rule, checked instantly.

Software cost

What 12 landlord tools cost at your unit count.

State-by-state rules

Security deposit interest by state

About a third of states make landlords pay interest on deposits. Current rates, statutes, and a calculator for each.

Rent increase rules by state

Caps in CA, OR, WA and DC; notice requirements everywhere. Check an increase before you serve it.

Software guides

Head-to-head comparisons

How this site works

Every price and feature claim comes from the vendor's own published pricing page, re-verified on the date shown on each page. Comparisons are generated from that data — not from opinions we were paid for. When you click through to a product we may earn an affiliate commission; it never changes a number or a ranking. Methodology · Disclosure