Yes, you can win the coupon game. But do you really want to?

After wrapping up my grocery shopping recently, I found something increasingly rare in my busy suburban Publix: an open checkout line with no wait. Well, almost no wait. Another customer was just paying for her groceries. I asked my kids to start loading the merchandise onto the conveyor belt. Then the customer, a tattooed woman in her early 40s, glared at us and shook her head. “You should go somewhere else,” she announced, clenching a fistful of coupons. “This could take a while.” Ah, coupons.

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