Terms apply. The catch? A sizable annual fee. Families can rack up serious cash back. The annual fee is a whopper, but if you spend at least $31 a week at the supermarket, you'll cover it.

If you're a heavy PayPal user, it can be one of the most lucrative cash-back cards on the market. But the card's 1.5% rate on all other purchases is easily matched or bested by others.