A bad credit score may make obtaining an apartment or a credit card or mortgage more difficult. It may also subject you to higher interest rates, making the credit lines and loans you receive more expensive to return.
If you have poor or fair credit, which is considered a FICO score of 668 or lower, you may need to start thinking about how to improve your credit score. As hopeless as the situation may appear right now, bad credit does not have to stay forever. There are things you can do right now to increase your credit rating.