Monthly housing expense includes principal and interest, taxes, and hazard insurance.Total housing expense includes monthly housing expense plus debt service.The number that appears is about the smallest you can expect to find without paying a premium interest rate. However, you will have to pay for mortgage insurance if the down payment is less than 20%.Given the down payment and term you have selected, the numbers shown are typical annual premium rates for "monthly premium plans" that involve no upfront premium. You can override these numbers if you are quoted different rates for monthly premium plans.