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How much rental property can I afford as an investor?

Updated October 20, 2026 · by ROW Home Solutions

Most "how much house can I afford" calculators are built for a home you'll live in. A rental is different: the lender looks at the property's income, you need cash left over after closing, and the deal has to survive vacancies and repairs. Here's how to think about it in four checks.

1. Cash to close

Add up the down payment (investment loans commonly ask for more down than owner-occupied loans; ask your lender for your exact number), closing costs, any upfront repairs, and loan fees. That total is the cash you need on closing day.

2. Cash left over (reserves)

Subtract cash to close from the money you can actually reach. Count savings at full value, but be careful with brokerage or crypto accounts, since their value moves and selling may trigger taxes. What remains is your cushion. If it's close to zero, the deal is too big for you right now, even if a lender says yes.

3. Debt-to-income after the deal

Lenders compare your monthly debt payments to your monthly income. A new rental adds a mortgage payment, and many lenders count only part of the expected rent as income. Run your ratio after the purchase, not before.

DTI after = (current monthly debts + new property payment) ÷ (monthly income + counted rent)

4. Does the property carry itself?

Estimate the monthly rent from real comparable rentals, then subtract principal and interest, taxes, insurance, HOA, and set-asides for vacancy, repairs, capital expenses and management. If the result is negative, you are paying every month to own it. That can be a choice, but it should be a deliberate one.

Putting it together

The price you can afford is the highest price that passes all four checks at once: you can close, you still have reserves, your DTI stays inside your lender's limit, and the cash flow is one you can live with. Work backward: if a deal fails, ask what price or rent would make it pass.