Rewards points and cash back aren't the only benefits of paying with plastic. Card issuers offer extras that range from extended warranties on items you purchase with a card to free museum admission to travel insurance. Even if you're familiar with your cards' benefits, now is a good time to review them because several issuers are altering their perks. Here are 14 little-known benefits your credit card may offer.

Free TSA PreCheck or Global Entry

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At one time, only premium travel credit cards with annual fees in the hundreds of dollars refunded the application fee for TSA PreCheck ($85 for five years) or Global Entry ($100 for five years) when you charged the fee to the card. But now the PenFed Pathfinder Rewards card, which charges no annual fee, also refunds the fee for one of the two services that let you zip through airport security.

Other cards with relatively reasonable annual fees offer the perk, too, including the Capital One Venture card ($95 annual fee, waived the first year). Our favorite premium travel card, the Chase Sapphire Reserve ($450 annual fee), also reimburses the charge. Typically, credit cards that refund the PreCheck or