Shop at Costco without a membership. If you know someone with a costco membership, you can get them to buy you a Costco Cash Card/Gift Card. This will allow non-members to to shop at Costco. Non-members may use a cash card twice/year to shop without a membership.Click to see full answer. Accordingly, can you shop at Costco without a membership? Non-Members Can Purchase from Costco.com Non-members can purchase from Costco’s website, Costco.com, at any time. There is a downside, however: “If you are not a member, you will be charged a 5% surcharge over posted prices for members (except for prescription drugs).Also, do I need a Costco membership to buy pizza? A Costco membership is required to get in the door and into the food court at many Costco locations. Yet if you live in a warmer climate where the food court is outside the store, food can be purchased without membership. Costco is known for serving pizza, hot dogs, and other morsels for less than $5. Similarly one may ask, does Costco have a one day pass? You can get inside the store with them, but they will have to pay for all the purchases you make. You can pay them back for your purchases once you leave the store. So while Costco doesn’t have an official one-day guest pass program, there are ways to shop at their warehouses without paying $60 for a membership.Why does Costco check membership at the door?It’s to keep count of how many members are going in, so the registers can be staffed appropriately. Notice that the person at the door has a clicker, and clicks every time someone enters.