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- Some Gen Z shoppers are trying to save money by shopping at Costco and Sam's Club.
- They're sharing bulk groceries and membership cards with roommates and family.
- It's the lastest example of how food prices are still historically high.
One of Gen Z's biggest tools for fighting persistently high food prices: Sharing a big cart of groceries — and potentially a membership card — from Costco or Sam's Club with roommates or family.