Your credit score is an important number. Mortgage lenders rely on this three-digit number to determine if they'll give you a home loan and at what interest rate. Auto insurers use the number to help determine your car insurance rates. Credit card issuers use it to determine if you qualify for their cards. And, increasingly, employers consider these three-digit numbers when they're making hiring decisions. How Credit Scores Work Your credit score encapsulates how you've handled your finances in the past. If you have a history of making...