It's as low as $45 annually for membership in Sam's Club, depending on the membership plan you select. Basic membership, which is $45 annually, offers discounts on selected products and other services. If you choose the other option, Sam's Plus Plus membership, you will get extra benefits including early opening hours for shopping as well as free shipping. You also get 2% off on eligible purchases, but it's $100 per calendar year. Learn details about the plans by visiting Sam's Club website.