Membership Always Saves Money: While Costco offers many deals, it's a myth that membership automatically saves everyone money.
Bulk Buying is Always the Best Deal: Buying in bulk can save money, but it's not always the most economical choice
Costco's Prices are Always the Lowest: Although Costco is known for competitive pricing, it doesn’t always have the lowest prices for every product. Savvy shoppers compare prices with other retailers.
Everything is Sold in Bulk: While Costco is famous for bulk sales, not everything in the store is sold in large quantities.
Costco's Kirkland Brand is Lower Quality: Some believe that Costco’s own brand, Kirkland, is of lower quality compared to name brands.
You Need a Membership to Shop: This is partially untrue. While a membership is required for most purchases, non-members can shop at Costco with a member's cash card
Costco's Return Policy is Unlimited: Costco does have a very generous return policy, but it's not unlimited.