We all love the thrill of a $1.50 hot dog and a cart full of bargains. But the “Costco Effect” can easily backfire. When you buy a 10-pound bag of something you can’t finish, you aren’t saving money; you’re just buying expensive trash. For the average household (1-3 people), certain bulk items are mathematical losers. The unit price looks great, but the spoilage rate destroys the value.
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