I've shopped at Costco for over a decade. Here are the 8 biggest mistakes I see customers make.

"I've shopped at Costco for over 10 years, so I know a lot of the rookie mistakes to avoid. Knowing how to read the chain's price tags can help you make smarter purchasing decisions. Costco often has great deals on restaurant gift-card packs and its house-label products."

"After over a decade of shopping at Costco, you can say I'm quite a fan of the chain. I run a recipe blog and social account, Costco Kitchen, where I post delicious dishes I've made using ingredients from the wholesale retailer. It's also just my go-to place for household essentials, grocery staples, and fun finds any time of year."

"However, in my years of being a Costco shopper, I've seen many people make the same mistakes. Here are a few I suggest you avoid."

More than a decade of Costco shopping experience reveals common rookie mistakes and practical ways to avoid them. Learning to read Costco price tags enables smarter purchasing decisions and clearer identification of genuine bargains. Restaurant gift-card packs frequently appear at attractive discounts and can deliver strong value. House-label products often provide good quality at lower cost compared with national brands. Costco functions as a reliable source for household essentials, grocery staples, and seasonal or occasional fun finds. Familiarity with pricing cues and typical deal categories helps shoppers save money and reduce impulse buys.

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