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7 Costco Products Real Customers Swear They’ll Never Buy Again

Costco is a wonderland of bulk deals, giant snack packs, and budget-friendly finds. From rotisserie chickens to Kirkland brand staples, it’s where savvy shoppers go to stock up and save.

But not every item earns a spot in the cart twice. Sometimes, even the most trusted brands and tempting price tags result in regret. We dove into the reviews, rants, and real-life experiences of Costco customers who’ve taken the plunge—and walked away disappointed.

Whether it’s odd textures, flavor fails, or underwhelming quality, these 7 products have earned a one-way ticket to the “never again” list.

Read on to see which Costco buys didn’t make the cut, and why shoppers are warning others to steer clear.

1. Kirkland Signature Coffee

Kirkland Signature Coffee
© Tasting Table

Coffee lovers often embark on a mission to find that perfect brew. Unfortunately, some have found Kirkland Signature Coffee to fall short. The aroma might promise a rich experience, but the flavor is described as lackluster and somewhat bitter.

For those who cherish a smooth and vibrant cup, this coffee misses the mark. Several customers mention it left a lingering, unpleasant aftertaste that clashed with their morning routine. Despite being easy on the wallet, the compromise on taste has led many to seek alternatives.

“It just wasn’t my cup of joe,” one customer quipped, summarizing the sentiment.

The price might be appealing, but the experience falls flat, making this product one many won’t revisit. On the journey for java joy, this isn’t the stop.

2. Costco’s Sheet Cake

Costco's Sheet Cake
© The Krazy Coupon Lady

Birthday celebrations often call for a grand cake, but Costco’s sheet cake has left a few party hosts regretting their choice. It’s not the size—it’s the sweetness that overwhelms.

Some describe the frosting as cloyingly sugary, overshadowing the cake itself. While children may delight in the vibrant colors, adults have found it challenging to appreciate the taste. The texture, too, can be a point of contention, with some finding it a tad on the dry side.

“It’s more like sugar on a plate,” a review lamented. Though the price and convenience can be tempting, the taste leaves something to be desired. Ultimately, many are choosing to bake their own or seek out local bakeries for more balanced flavor profiles.

3. Frozen Mixed Vegetables

Frozen Mixed Vegetables
© Snarkle-Sauce on Wry

Veggie enthusiasts who reached for Costco’s frozen mixed veggies might have been disappointed by their culinary experience. What should be a convenient bag of nutritious goodness often serves up freezer-burned bits instead.

The flavor is described as bland, with some customers noting an unappetizing mushiness once cooked. Visual appeal isn’t a strong point either; the colors may seem dull and lifeless, stripping away the joy of a vibrant meal.

Even with the convenience factor, the lack of taste and texture has deterred many from a repeat purchase. For fresh veggie flavor, sticking to fresh produce seems to be the wiser choice.

4. Costco’s Pre-Packaged Sushi

Costco's Pre-Packaged Sushi
© Men’s Journal

Sushi enthusiasts know the joy of fresh, delicate flavors, but Costco’s pre-packaged sushi doesn’t quite meet these expectations. Customers have noted the rice tends to be dry and hard, lacking the fluffy texture one might hope for.

The fish, too, can sometimes appear less than fresh, undermining the entire sushi experience. “It felt like eating day-old sushi,” one disappointed buyer remarked.

Despite the convenience of grabbing a quick sushi fix, the quality often leaves taste buds unsatisfied. For those seeking an authentic taste, local sushi bars or making it fresh at home might be the better route.

5. Costco’s Rotisserie Chicken

Costco's Rotisserie Chicken
© Allrecipes

Rotisserie chicken from Costco has been a go-to for busy families, but some have found it less than satisfying.

While it’s affordably priced, a few diners have noted it being too greasy and lacking in seasoning. The convenience of a ready-made meal is undeniable, yet the flavor sometimes falls flat. Although it can be a quick fix for dinner, not all palates are pleased.

The quest for the perfect rotisserie chicken might mean turning to other brands or even trying a homemade version. This one, for some, is more about the marketing than the meal.

6. Kirkland Signature Peanut Butter

Kirkland Signature Peanut Butter
© Costco Wholesale

Peanut butter is a staple in many pantries, but Kirkland Signature’s version has left some spreading it thinly on praise. The consistency is often cited as too thick, making it difficult to spread on soft bread without tearing it apart.

The taste, somewhat bland and lacking the nutty richness expected, has been another point of contention. While the affordability is appealing, the texture and flavor have led many to look elsewhere for their peanut butter fix.

This is one pantry item where compromise doesn’t pay off, especially when sandwiches are at stake.

7. Costco’s Canned Chicken

Costco's Canned Chicken
© Amazon.com

Canned chicken should be a convenient solution for quick meals, but Costco’s version might just ruffle some feathers. Customers have described it as overly salty with an unappetizing texture.

The convenience factor is overshadowed by the challenge of incorporating it into meals without overwhelming the dish with salt. Many have decided to steer clear, opting for fresher alternatives that offer better flavor and texture.

While the cans might stack nicely in the pantry, the contents often leave much to be desired. For a tastier meal, this might be a can to pass by.

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