What are some things I can do to keep a good credit rating?

Making payments on time and paying more than the minimum help keep a credit score high as well as reducing the outstanding balance quicker. Also, having a consistent job and living in the same place for a good period of time are signs of stability that creditors look for. Creditors like to lend to people who can show they are stabile. Use your credit wisely. That is, keep your account balances less than 30% of the available balance. This shows the potential creditors that you are not living beyond your means and have the ability to pay any new credit granted to you.