Different loan requirements. Typically, loans used for a second home or rental property require a minimum 20% down payment since mortgage insurance is not available for investment properties. You’ll also need to have 2 years of property management experience if you want to use your property’s rental income to qualify for a loan.Bankrate Mortage The mortgage calculator with taxes and insurance estimates your monthly home mortgage payment and shows amortization table. The loan calculator estimates your car, auto, moto or student loan payments, shows amortization schedule and charts.