If you have any inkling that you might want a Costco membership, there’s never been a better time to join. For a limited time, Groupon’s offering Gold Star memberships for their standard price of $60, but throwing in a $20 Costco gift card, plus coupons for free paper towels, flavored water, and a pizza, and some other bonuses like savings on Costco travel vacations and an online order discount code. If you use them all, that package is worth over $200.