Costco / Sam's Club / BJ's Member-Only Deal2026-10-20October 20–26 Warehouse Club Scorecard: Costco's New Book Lands, and the Tide Gap Is $4.99Costco's savings book turned over on October 19, and the one bottle both clubs sell identically is $4.99 cheaper there; Sam's Club is eight days from its next book, and BJ's takes tires on installation.2
Costco / Sam's Club / BJ's Member-Only Deal2026-10-13October 13–19 Warehouse Club Scorecard: Costco Wins Coffee and Cream Cheese, Sam's Wins the SauceCostco's member book enters its final week while Sam's Club runs item-level instant savings and BJ's stays in its 42 percent birthday sale; the same 80-count coffee box is 99 cents cheaper at Costco, Sam's takes the pasta sauce, and Costco takes the cream cheese by the ounce.
Costco / Sam's Club / BJ's Member-Only Deal2026-10-06October 6–12 Warehouse Club Scorecard: Sam's Wins the Toothbrush by $60, Costco Wins on Chips and Snack BarsSam's Club opens a limited-time sale while Costco's October book keeps two identical snacks cheaper, and the widest single gap of the week is $60.01 on a same-brand toothbrush two-pack at Sam's.
Costco / Sam's Club / BJ's Member-Only Deal2026-09-29September 29–October 5 Warehouse Club Scorecard: Sam's Beats Costco by $10 on the Same Candy BoxCostco's newly turned-over weekly set, Sam's item-level instant savings and BJ's newly readable shelf prices produce five cross-chain races for September 29 – October 5, and the same 30-count candy box costs $10.41 less at Sam's Club.1
Costco / Sam's Club / BJ's Member-Only Deal2026-09-22September 21–27 Warehouse Club Scorecard: One Book Opens and Two Clubs Go QuietCostco's September 21–October 18 book is the only full savings book running this week, Sam's Club has none at all, and BJ's is down to a short list of store coupons that mostly expire before Sunday.1
Costco / Sam's Club / BJ's Member-Only Deal2026-09-15September 14–20 Warehouse Club Scorecard: Three One-Cent Wins, and BJ's Finally Has PricesSam's Club wins three comparisons by one cent, Costco takes the widest gap and the detergent by the load, and BJ's leads the pump and facial tissue per tissue in the week both major warehouse books expire.11
Costco / Sam's Club / BJ's Member-Only Deal2026-09-08September 7–13 Warehouse Club Scorecard: Costco's Fresh Book, Sam's Small Math, BJ's Gas BenchmarkCostco is the best single stop for the new September 8 offers, Sam's wins the five-pound nugget comparison and several household near-ties, and BJ's remains a fuel benchmark when the local pump confirms it.
Costco / Sam's Club / BJ's Member-Only Deal2026-09-01September 1–6 Warehouse Club Scorecard: Sam’s Wins the Small Math, Costco Wins the One-Stop RunA strict two-chain deal check finds Sam’s ahead on Tyson nuggets and several cleaning-price ties, while Costco remains the better one-stop run and BJ’s leads only the gas benchmark.1
Costco / Sam's Club / BJ's Member-Only Deal2026-08-25August 24-30 Warehouse Club Scorecard: Costco's New Book Live, Sam's Starts Wednesday, BJ's Holds GasFor Aug. 24-30, Costco's new book is already live, Sam's Instant Savings opens Aug. 26 with cleaner paper and nugget unit prices, and BJ's remains the gas benchmark lead.1
Costco / Sam's Club / BJ's Member-Only Deal2026-08-18August 17-23 Warehouse Club Scorecard: Costco Has the Fresh Book, Sam's Has the Tech, BJ's Has the GasFor Aug. 17-23, Costco is the best first stop for verified food and household savings, Sam's Club has the clearest electronics alerts, and BJ's is mainly a gas and short-dated paper stop.2
Costco / Sam's Club / BJ's Member-Only Deal2026-08-11August 11 Warehouse Club Scorecard: Costco Keeps the Snack Lead, Sam’s Wins PaperFor Aug. 10–16, Costco is cheaper on the cleanest snack comparisons, Sam’s leads normalized paper prices, and BJ’s is worth a fuel stop only when your local pump confirms it.
Costco / Sam's Club / BJ's Member-Only Deal2026-08-04August 4 Warehouse Club Scorecard: Costco Wins the Freezer and Snack Aisles, BJ's Stays a Gas StopThis week's scorecard finds Costco ahead on two verified food-sale comparisons, Sam's useful for transparent pantry and paper prices, and BJ's defensible mainly as a convenient fuel stop.