My roommates and I share groceries. We save about $300 a month by bulk-shopping.

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Three roommates are eating take-out at a kitchen island and smiling and talking.
René Morrell (not pictured) and her roommates share groceries and have figured out a system that works for them.

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I canceled my Costco membership after a year. I loved the store, but it fueled my worst habits.

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A Costco sign on the outside of a store.
I didn't renew my Costco membership because the bulk-buy structure overwhelmed me.

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