Cash back is just one of a few different rewards currencies you can earn with a credit card. Here's everything you need to know.

Robin has worked as a credit cards, editor and spokesperson ... Commissions do not affect our editors' opinions or evaluations. Cash-back cards with no annual fees can be ideal choices for both ...

The best cash back credit cards typically offer either a tiered earning structure or a flat-rate of earning. With tiered structures, you’ll usually earn a higher rate on select purchases—say 3 ...