Costco Regrets: 6 Items Real Members Say Were Total Letdowns

Costco is known for bulk bargains, quality store-brand products, and loyal fan favorites—but even this warehouse giant isn’t immune to a few misses. We scoured shopper forums, Reddit threads, and Costco reviews to uncover the items that left members shaking their heads. From soggy salads to underpowered pods, here are 6 Costco finds members say they deeply regret buying—and what you might want to grab instead.

1. Kirkland Signature Laundry Pacs $22.99/152 ct

These Kirkland-branded pods promise powerful stain-fighting performance in a convenient pre-measured format. Marketed as a cheaper alternative to Tide or Gain, they’re frequently spotted in laundry aisles.

Why It Disappointed Members

Many users complain that the pods don’t fully dissolve, leaving residue on clothes, especially in cold water washes. Others say they simply don’t clean as effectively as name brands.

Better Option

Tide Pods (also sold at Costco) consistently rate higher for both cleaning power and dissolvability, especially in energy-efficient machines.

2. Kirkland Signature Batteries $15.99/48 ct

These affordable AA batteries are ideal for households that go through packs quickly—think remotes, toys, and flashlights.

Why It Disappointed Members

Members report that these batteries drain faster than Duracell or Energizer and are prone to leaking, which can damage devices over time.

Better Option

Stick with Energizer Max or Duracell Coppertop—both are also available in bulk at Costco and come with longer-lasting power and better device protection.

3. Think! Protein Bars $24.49/18 x 2.1 oz

These bars offer a high-protein, low-sugar profile marketed to fitness-focused shoppers looking for an easy snack on the go.

Why It Disappointed Members

Many reviewers describe the bars as chalky, dry, and bland. Even those who like the nutrition stats say the texture is hard to get past.

Better Option

Try Barebells Protein Bars or RXBars, both of which pack in protein without compromising on taste and texture.

4. Round Cakes $21.05/10-inch

Costco’s famous sheet cakes are a party legend, but the 10″ round cakes aim to bring that joy to smaller gatherings—available in flavors like chocolate and white cake with mousse filling.

Why It Disappointed Members

Fans say the round versions are dry and overly sweet compared to their sheet cake counterparts. The filling-to-cake ratio is off, and the icing can feel overwhelming.

Better Option

Stick with the half-sheet cake for better texture and flavor balance, or try Costco’s Tiramisu Bar Cake for a more sophisticated dessert experience.

5. Organic Sweet Potato Sticks $9.99/6 x 2.82 oz

These lightly seasoned sweet potato fries come ready to bake, positioned as a healthy and tasty side.

Why It Disappointed Members

Many say the sticks come out mushy, unevenly cooked, and lacking flavor. Even when air-fried, they don’t crisp up well and turn soggy fast.

Better Option

Trader Joe’s Sweet Potato Frites or Alexia Sweet Potato Fries offer better texture and flavor, especially when baked or air-fried.

6. Deli Caesar Salad $6.35/pkg

This grab-and-go salad includes romaine lettuce, Caesar dressing, shredded cheese, and croutons—designed as an easy lunch or dinner side.

Why It Disappointed Members

Common complaints include wilted lettuce, overly salty dressing, and bland chicken. Some even said it tasted off after just a day or two, despite being well before the sell-by date.

Better Option

Opt for the Taylor Farms Caesar Salad Kit, which has better quality control and fresher taste—or make your own for even better value and flavor.

Final Thoughts

Costco is home to countless gems—but even its shelves aren’t perfect. Before tossing that bulk buy in your cart, check what other members are saying. These six items left many shoppers disappointed, but with better alternatives in-store or online, you don’t have to settle.