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The 8 Kirkland Items You Probably Shouldn’t Be Buying at Costco

Updated: Mar. 07, 2022

You'll probably find better deals on paper products elsewhere.

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Colorful laundry bottles
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Kirkland detergent(s)

Unless you are doing boatloads of laundry, you should avoid buying detergent in bulk since they only maintain their cleaning power for six months to a year, per Good Housekeeping. Plus, other stores tend to have more coupons and deals for detergent than Costco. One blogger found a detergent on sale that equals $0.03 per load compared to Kirkland’s $0.115 per load. The Kirkland Signature Gel dishwashing detergent isn’t much of a hit either with a poor overall score from Consumer Reports.

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Paper tissues in brown box on yellow background

Kirkland facial tissues

Tissues from Kirkland don’t have the best reputation. A test from Consumer Reports found that these tissues are just so-so compared to other big name brands like Puffs Basic, even though they cost the same. Puffs ranked higher in both strength and softness. These are the 10 Kirkland items you should always buy at Costco.

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Flat lay composition with toilet paper rolls on color background
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Kirkland toilet paper

Similarly to facial tissues, skip this other important Kirkland paper product. Consumer Reports found that although the Kirkland toilet paper is soft, it only offers so-so strength. The consumer ratings on Consumer Reports aren’t any better, and the majority are in the one star section. Don’t miss these 13 Costco tips frequent shoppers keep to themselves.

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Kirkland diapers

The quality of Kirkland diapers isn’t an issue, but buying one size in bulk isn’t a great idea. Cheapism reports that the smallest quantity of diapers available at Costco is 192, so a child might outgrow them before finishing the whole box. Smaller packages are available at Target or Walmart, and stores like Amazon even have convenient subscription services. Diapers aren’t the only necessities you can purchase at Costco; you can even buy an eye exam. 

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Cup of coffee

Kirkland coffee

Pre-ground coffee starts going stale in as little as 30 minutes, according to some coffee experts. Others say roasted coffee is only at peak freshness for two to three weeks. So it’s best for your palette to buy a smaller, fresher portion that lasts a week or two. Here are 15 foods nutritionists always buy at Costco.

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Kirkland rice

There are better deals for rice at ethnic supermarkets, one blogger told MONEY. She found a 25-pound bag of rice for $14 at her neighborhood store; that’s 35 percent less than the Costco price of $40. In addition to the price difference, rice and other whole grains contain oil that attaches to the grain and could cause them to go rancid sooner, Eat This Not That reports.

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Kirkland milk

The prices and quality of Kirkland milk aren’t anything special. The reason you might want to avoid buying this at Costco, however, is because of the square-shaped jugs. According to Reddit discussion boards and food bloggers, the unique packaging that causes frequent spills might be reason enough to buy your milk elsewhere. These are the 6 other things you should never buy at Costco.

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Pile of shopping receipts on a blue background
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Any Kirkland item you haven’t tried before

Buying in bulk is a commitment. That’s why it is better to be safe than sorry and buy small amounts to test instead of allocating money and space to large quantities of items you may not like. Next, find out the 15 things you aren’t buying at Costco—but should.