5 Effective Ways to Get The Best Mortgage Rates. A lower interest rate can save you thousands, even tens of thousands of dollars over the life of the loan..25 percentage points can save you thousands over the course of a 30 year loan. So, how do you get the best mortgage rates?

A Fin24 user wants to know what the prime interest rate is. She writes: What is the prime interest rate? Jacques du Toit, Absa’s property analyst, responds: The prime overdraft rate or simply prime rate is the lowest rate at which a clearing bank will lend to its clients on overdraft.