The next step is taking your «found» money and making higher payments on the debt with the highest rate, while only making minimum payments on your other debts. (wisebread.com)
Obviously, I'm not a big fan of just making minimum payments on your student loans. (thebrokeprofessional.com)
If you've already saved a large amount of money, then start off with the highest interest rate card while making the minimum payments on all the other cards. (selflender.com)