I was a loyal Costco member until I realized my family saved more money by shopping at Sam's Club. The Member's Mark baby wipes and garbage bags are cheaper than the versions we bought at Costco.

A package of five canisters -- 425 wipes total -- retails for about $19 at Sam's Club, which works out to about 4 cents per wipe. "Depending on how often you use them, one or two packages could ...