How to Boost Your FICO Score wanted to share the four mistakes that can ‘hurt’ a credit score — be careful not to max out those credit cards. Potential lenders also care about how much a person is charging on their card, because the more they spend the less likely they will be able to repay the debt — this is where credit card utilization comes in.

Your credit score or FICO is very important as you are defined by this ever changing number attached to your name. It can affect your ability to get a loan, your chance of getting a job and even increase the interest rate you pay.