And if you sign up for Sam’s Club’s free rewards program, you’ll rack up Sam’s Cash that you can turn around and spend on future purchases. Members often enjoy cheaper gas prices at Sam’s fueling stations, plus free flat tire repairs, windshield wiper installation, and battery testing. And because each membership comes with an extra card to give to someone else in your household at no extra cost, you could make the argument that you’re really getting two memberships for half the price of one.