An adjustable-rate mortgage, or ARM, is a type of home loan with an interest rate that can change over time. Most ARMs have rate caps that limit how much rates can fluctuate when they adjust. The vast ...

In essence, an interest rate is the cost of borrowing money. This "rental fee" is calculated as a percentage of the principal, or original loan amount. The interest rate determines how much you'll pay ...

If you're looking to finance a home purchase, you've probably seen options for adjustable-rate mortgages (ARMs). ARMs are a popular choice, especially for borrowers hoping mortgage rates will go down.