Costcoshoppersespecially seasoned oneslove sharing their experiences online, both good and bad.

Here are 6 must-buy and must-avoid items, according to Costco experts.

“I’m always surprised this isn’t on more lists.

Costco Wholesale exterior

Photo: oasisamuel / Shutterstock. Design: Eat This, Not That!

“I literally buy garbage bags and paper towels like once a year from there, tp maybe twice.

It’s great,” another replied.

Must Avoid: Desserts

Some Costco shoppers say the desserts are just too much.

Kirkland Signature Trash Bags

Costco

It makes me mad that they don’t sell individual slices of their cake.

“I find for San Marzanos Costco blows everything out of the water,” one shopper commented.

“I just bought the giant can of San Marzano tomatoes for the first time.

A view of several prepared Kirkland Signature cakes, on display at a local Costco.

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Cannot beat the price.

I only ever buy Mexican avocados from Costco, they’re almost always good,” another agreed.

Best price I can find around and the kind they have isn’t just a big bag of millet.

cento san marzano peeled tomatoes

Costco

It’s actually good seed that birds will eat,” one Redditor recommended.

“Yes, and it has accurate nutrition information as well.

I give a little to my chickens to boost their fat intake,” another said.

avocados at the grocery store

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“This happened to us too.

I even replaced the gasket, heating element and deep cleaned the entire dishwasher thinking that was the problem.

We upped the hot water temperature a tad and switched back to cascade and the problem is gone.

Audubon Park Nature’s Blend Premium Wild Bird Food

Costco

But seeing how many others had the same issue makes me think it’s the Kirkland pods!”

Kirkland Signature dishwasher pods

Costco