Like most stores, Costco offers gift certificates in the form of its Costco Cash Cards. The thing is, it can't control who those cards go to. 2. Use a gift card. Costco gift cards are known as Costco Cash Cards. They have no expiration date and are available in amounts from $25 to. Costco's gift card, known as the Costco Cash Card, is a free ticket into the store (cue happy dance). Once purchased by a member, it can be. This shopping trick gets you into Costco without a membership There's 1 little loophole that can help you score big savings. This is because our ability to offer low prices on brand-name items is due in large part to our membership program, which is designed to reward members for their loyalty. Of course, you might not be comfortable asking for that and it could get old quick for the member. Those fees are not insignificant. Use Instacart Non-members costco cash card also have their groceries delivered costco cash card Costco via Instacart.