Is Sam’s Club or Costco Cheaper?

Both stores use a two-tier membership structure. Sam’s Club’s most recent increase took effect May 1, 2026. Costco’s increase was in September 2024. The numbers below reflect current pricing.

The questions people search most about Sam’s Club vs. Costco fall into predictable categories. Here are the direct answers without the usual “it depends” dodge.

• 1
  Who is actually cheaper — Costco or Sam’s Club? Neither is universally cheaper · Sam’s Club wins: membership fees, paper goods, pharmacy, and scan-and-go convenience · Costco wins: food quality, produce, meat, eggs, organic items, and return policy · Gas: tie

  Head-to-head price comparisons across categories consistently show the same pattern: Sam’s Club has the lower membership fee and cheaper everyday household bulk goods, particularly paper products and generic pharmacy items. Costco wins on food quality — the Kirkland Signature brand consistently outperforms Member’s Mark in taste tests and customer ratings across fresh categories like produce, meat, bakery items, and eggs. On a unit-price basis across a typical grocery cart, the two stores are remarkably close — comparable analyses find that Sam’s Club has the lower unit price on roughly 10 out of 25 common grocery items, with Costco winning on another 10, and the remaining 5 being essentially tied within a few cents. The deciding factor for most households comes down to what they primarily buy: families that stock up on paper towels, trash bags, detergent, and prescriptions tend to see Sam’s Club as the better value. Families that prioritize fresh food quality, organic options, and imported specialty goods lean toward Costco.
• 2
  Is Sam’s Club cheaper than Walmart? On unit price for bulk quantities: usually yes, Sam’s Club is cheaper · On individual item pricing: Walmart often wins for smaller quantities · You need a membership for Sam’s Club ($60/year) · Walmart requires no membership

  The question comes down to what you’re buying and how much of it. Sam’s Club sells in bulk — a 30-pack of paper towels, a 5-pound bag of coffee, a 10-pound tub of laundry detergent. The unit price on these large quantities is typically lower than Walmart’s price for the same brand in a smaller size. But if you only need one bottle of dish soap or two rolls of paper towels, Walmart wins every time because Sam’s Club doesn’t sell small quantities. The honest comparison: if you can reliably use the bulk quantities before they expire, and you shop frequently enough to justify the $60 annual membership, Sam’s Club saves money on most household staples compared to Walmart. If you live alone, have limited storage space, or shop infrequently, the bulk packaging at Sam’s Club often leads to waste that cancels out the savings. Walmart also consistently wins on fresh produce prices compared to Sam’s Club — smaller quantities, fresher rotation, and no membership barrier.
• 3
  Is it worth having both a Costco and Sam’s Club membership? For households that shop strategically: yes — combined $125/year for both basic memberships · Strategy: buy paper goods and prescriptions at Sam’s Club; buy produce, meat, Kirkland foods, and specialty items at Costco · Requires discipline to actually use both

  Having both memberships makes financial sense for households that are methodical about it, have both stores nearby, and shop frequently enough to use both. The total annual cost for both basic memberships is $125. If buying paper products at Sam’s Club saves you $2–$3 per month over Costco prices, and buying Kirkland Signature food at Costco saves you $15–$20 per month over Sam’s Club prices, you’re recovering the combined membership cost in the first few months. The realistic caveat: most households end up defaulting to whichever store is more convenient and rarely doing the price-comparison shopping that justifies carrying both cards. If you genuinely enjoy comparison shopping or you live equidistant between both stores, the dual membership pays off. If you’re primarily drawn to the idea of the theoretical savings but will realistically visit only one store, pick the one that’s closer — consistency and convenience drive more actual savings than strategic price-splitting.
• 4
  Which has a better return policy — Costco or Sam’s Club? Costco wins decisively · Costco: near-unlimited returns with no receipt on most items, 90-day limit only on electronics · Sam’s Club: generous “100% Satisfaction Guarantee” but often needs original packaging · Costco’s return policy is widely considered one of the best in all of U.S. retail

  This is the clearest category winner in the entire comparison, and it goes to Costco by a substantial margin. Costco’s return policy has become legendary precisely because it has been applied years after purchase on everything from mattresses to furniture to clothing without dispute. For electronics, there’s a 90-day return window — the same as Sam’s Club — but for virtually everything else, Costco’s policy is effectively unlimited. No receipt required. No original packaging required. If you’re not satisfied, they take it back. Sam’s Club’s “100% Satisfaction Guarantee” is also generous by any normal retail standard — it covers most items without a time limit — but in practice it often requires original packaging and receipts in a way that Costco does not. For seniors buying appliances, electronics, or any high-ticket item where peace of mind matters, Costco’s return policy alone can justify the membership. A $130 exercise bike that you try for three months and find you don’t use can be returned to Costco. That level of risk-free purchasing is genuinely valuable for anyone on a fixed income.
• 5
  Which has cheaper gas — Sam’s Club or Costco? It’s a genuine tie · Both sell gas 20–40 cents per gallon below the local average · That saves $200–$500/year for the average driver · Costco’s credit card gives 4% back on gas; Sam’s Club’s Mastercard gives 5% back on gas · Sam’s Club allows non-members to buy gas; Costco does not

  Both warehouse clubs consistently price their gas significantly below nearby commercial stations — the gap averages 20–40 cents per gallon, which adds up to meaningful savings over a year of regular fill-ups. For a household that buys 40 gallons per month, saving 30 cents per gallon is $144/year — enough to pay for the basic Sam’s Club membership twice over. The credit card comparison slightly favors Sam’s Club (5% back on gas vs. Costco’s 4% back on gas purchases through their respective cards), but both cards have annual spending caps that even out the difference for most drivers. One practical Sam’s Club advantage: non-members can buy gas at Sam’s Club without a membership — you just pay at the pump. Costco requires a membership card to access the pump. If you only want the gas discount and aren’t interested in shopping inside, Sam’s Club is the more accessible option.
• 6
  Kirkland Signature vs. Member’s Mark — which private label is better? Kirkland Signature (Costco) wins on food quality · Member’s Mark (Sam’s Club) wins on variety — 600+ products vs. ~300 Kirkland items · Kirkland commands stronger brand loyalty: 73% of Costco shoppers prefer it over name brands · Member’s Mark toilet paper has a devoted following of its own

  Kirkland Signature is routinely described as one of the most trusted store brands in American retail, and the loyalty is earned — Costco’s CFO stated in 2026 earnings calls that Kirkland items typically offer 15–20% value compared to national brand alternatives with equal or better quality. Many Kirkland products are manufactured by the same companies that make name-brand equivalents. The olive oil and croissants have near-cult followings. Member’s Mark covers a wider range of categories — over 600 products compared to about 300 under Kirkland — and Sam’s Club has completed a major quality overhaul of the line in recent years. Member’s Mark toilet paper, detergent, and nuts are consistently praised in customer reviews. The rotisserie chicken at Sam’s Club is often said to be less salty and more flavorful than Costco’s version. In short: Kirkland wins on prestige and food quality; Member’s Mark wins on breadth and household goods value.
• 7
  Which has a better app and shopping experience? Sam’s Club wins clearly · Scan & Go app lets you scan items with your phone, skip checkout lines, and pay on your device · Sam’s Club locations are progressively removing checkout lanes entirely · Costco is just now testing scan-and-go in 27 stores after years of complaints about checkout lines

  This is the category where Sam’s Club has pulled furthest ahead. The Scan & Go app — which lets you scan items as you place them in your cart and pay through your phone — has been live at Sam’s Club for years. The newer Sam’s Club location in Grapevine, Texas eliminated checkout registers entirely; members walk in, scan everything on their phones, and walk out through AI-powered exit archways that verify purchases without a human receipt checker. The experience is genuinely faster and less frustrating than traditional warehouse checkout. Costco, by contrast, is famous for checkout lines that can stretch 20–30 minutes on busy weekends. The company began testing scan-and-go technology in 27 locations in early 2026, reporting a 20% checkout speed improvement — but even Costco’s own CEO acknowledged the technology is still far short of their goals, and a nationwide rollout timeline has not been confirmed. If avoiding long lines is a priority — particularly relevant for older adults who may find extended standing uncomfortable — Sam’s Club currently offers a meaningfully better checkout experience.
• 8
  Can you go to Sam’s Club with a Costco membership — or vice versa? No — memberships are not transferable or cross-accepted · Sam’s Club and Costco are completely separate competing companies · A Costco membership card does not work at Sam’s Club and vice versa · Exception: both pharmacies are open to the public without any membership

  Sam’s Club (owned by Walmart) and Costco are competing companies with no shared membership agreement, loyalty program, or reciprocal access arrangement. A Costco Executive card gets you nothing at Sam’s Club’s door, and a Sam’s Club Plus membership will not be recognized at any Costco warehouse. The only areas where non-members can access services without a membership are the pharmacies at both clubs, the optical centers at some locations, and Sam’s Club gas stations (non-members can pump gas). Beyond those specific services, entering the warehouse floor of either club requires showing a valid membership card. One practical note: both clubs do allow you to bring guests, but the member must be present throughout the visit. A guest cannot shop alone on another person’s membership at either store.

Across the categories that matter most to households, here is the honest tally based on current pricing and shopping experience data.

The single most important factor in which membership to choose is often just which store is closer. Use the buttons below to find both warehouse clubs near your address.