If you get 1% back on most purchases but 3% back on gas with your card, a $100 department store purchase will give you $1 back while $100 worth of gas will give you $3 back. It's easy math. 2.

One of the most popular flat-rate cash-back cards available is the Citi Double Cash® Card, which offers an unlimited flat 2% cash back on all your purchases: 1% when you make a purchase and 1% ...

Let's say, for example, that you spend around $4,000 per month on things that you can charge, and you get a card that provides a flat 2% cash back on everything that you buy.

Standout benefits: Ever since its debut in 2009, the Chase Sapphire Preferred has been one of the best all-around travel credit cards out there. Not only are the Ultimate Rewards points it earns ultra ...