Whether you're looking for a pick-me-up or something to take the edge off, you won't empty your wallet stocking up on these drinks at Costco.

We compared the prices of Costco's Kirkland Signature items with matching Sam's Club Member's Mark items to see which is the better deal.

While many Costco customers join the warehouse club for its low prices, others appreciate its treasure-hunt business model.

Costco may be more crowded on the weekends, but there are usually more samples then. How, exactly, does Costco decide on which products to give out, though?

We break down membership fees, gas prices, bulk sizes and coupon policies to help you decide which warehouse club saves you more money in 2026.