1. Make Bi-Weekly Payments
Instead of making 12 monthly payments per year, split your payment in half and pay every two weeks. This results in 26 half-payments — or 13 full payments per year. That one extra payment goes entirely toward principal and can shave about 6.1 years off a 30-year mortgage while saving about $111,500 in interest (on a $350,000 30-year loan at an example rate of 6.75%).