If you know how to improve your credit score, you can imrpove your life in many ways. Since good credit expands your options in life, you should try to keep your credit score as high as possible. If a sudden expense arises such as an emergency car repair, a good credit score will allow you to borrow more money more quickly so that you can do what you need to do to fix or replace the car. You will get lower interest rates on loans with a high credit score.