25 Awesome Costco Shopping Secrets That Go Way Beyond Free Samples

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If you're a savvy shopper, you probably have a Costco membership. The warehouse store offers massive discounts on bulk foods, household goods, and even gasoline — but the savings don't stop there! Prepare to save more money than ever before by getting educated about the inner workings of Costco's price schemes, in-store deals, and policies . . . it might just change your life.
source:popsugar