Our opinions are our own. This is a decent card if you want to earn AAdvantage miles without paying a fee. Still, frequent travelers and those looking to maximize rewards should look elsewhere.

Find out where our favorite Delta Sky Club lounges are in the U.S. — and how the right credit card can get you inside.

Terms apply. If groceries, gas and online shopping are significant parts of your budget and you refuse to pay an annual fee, this card is a fine choice.

Square provides a range of hardware options, from simple card readers to full point-of-sale systems ... It offers a free ...