Is it really that important to raise your credit score? Maybe. Lenders have “break points” between scores that get you one interest rate or another. Suppose you have a score of 688, and the lender drops the mortgage rate by .5% at 690. Those two points can cost you an extra $20,000 in interest on a $170,000 loan (over 30 years at 6.5% instead of 6%). Is that important enough for you? What can you do?Eight Ways To Raise Your…