Don't use credit cards Mark Cuban says if you do, 'you don't want to be rich'

Cuban's biggest issue with credit cards: high interest rates

The average interest rate for a credit card is around 16.65%, according to the Federal Reserve's latest data

Some cards can have rates as high as 36%, WalletHub reports

Some cards can have rates as high as 36%, WalletHub reports

You can avoid high interest charges by paying off your credit card balance in full each month

Sometimes, the minimum payment is barely enough to cover interest charges

If you're only paying the minimum each month, you may only be

Chipping away at the interest rather than the account balance