One of the best ways to crush debt fast is the debt snowball method, says Dave Ramsey. Millions of Americans aren't so great with money. Big surprise, right? In comes the money, out goes the money.

Parent PLUS loans at 8.94% generate $13,410 in annual interest on $150,000. The balance balloons to $175,000 without aggressive repayment. Ramsey advises debt snowball method treating all $170,000 as ...