This card, which comes with an annual fee of $0, offers a top-notch 2% cash back on all purchases. You get 1% cash back when you make a purchase, and the other 1% cash back when you pay it off.

With the Citi® / AAdvantage® Platinum Select® World Elite Mastercard®, you’ll get a first checked bag free for you and four companions on your reservation.That saves you roughly $40 per ...