Get a life . Well, someday maybe. The fact is, making it today on an entry-level wage takes a cunning money manager. Starting out with some basic financial management mistakes and a lot of those years of making money will do little but service debt. So here's your final, final class.
Credit cards Having a credit card is handy.
Knowing how to make it work for you is even better. They need to know when to stop, basically. The general rule is that you should never have more than 20 percent of your net income be debt payments, excluding mortgage. Your car payment, insurance, credit card payment and student loans combined should never be more than 20 percent of your net income. Which doesn't leave you much room.