If you own or want to own real estate, you need to understand mortgages. Unfortunately for most of us, the mortgage field is jammed with jargon and fraught with fiscal pitfalls. For typical homeowners, the monthly mortgage payment is either their largest or, after income taxes, second largest expense. When you’re shopping for a mortgage, you could easily waste many hours and suffer financial losses by not getting the best loan you can. Your goal should be to have as much knowledge as possible before you commit to a particular mortgage. To help you get started here are few tips and a monthly payment calculator to get you acquainted with mortgages.