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.

baby wipes, disinfectant and cereal, she said. The Gladden-Eversley family is a clan of snackers — and for them, Sam’s Club had a better variety of affordable options, some of which she could ...