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I discovered coupons in the 1980s, when I was a college student working nights and weekends as a grocery-store cashier. Extreme couponing wasn’t a thing yet, at least not at our store — no one was wheeling multiple carts up to my register and paying $5 for the whole lot. But I still saw coupon-using shoppers saving big bucks over other shoppers. Once I had a home of my own…
