10 Ways to Save Big at Warehouse Clubs

There are great deals to be had at Costco, Sam's Club, and BJ's, but you still have to keep a close eye on the bottom line. Use these tips to make sure you're saving (and not losing) money when shopping at big-box stores.

By Jonna Gallo Weppler

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Courtesy of Costco Wholesale

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Purchase the store brands.

Because warehouse clubs have generous return policies, their store brands are generally high-quality and offer the greatest savings on everything from food to beauty products. The brands are Kirkland at Costco, Berkley & Jensen at BJ's, and Member's Mark at Sam's Club.

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