Through 4/30, new or renewing Sam's Club members get a free $10 gift card. Members are also eligible for special pricing on merchandise and services, club pickup and cash back rewards with a Sam's Mastercard or Plus Membership. To receive your $10 gift card after purchasing a new Membership or renewing, you will receive a unique promo code or voucher. New or renewed Military and College memberships are eligible for a $15 gift card. Personal or business memberships cost $45 annually, and a Plus membership is $100. Sales tax is not charged on memberships, but it is charged on merchandise in most states.