When it comes to shopping, it depends on the shopper whether or not they will use their coupons extremely, almost as if hoarding. If you do donate or give some of the perishable goods to others, then that's one good thing. We're all looking to save cash in these troubled times. Coupon cutting is one way to conserve cash on groceries and other products. But not every penny is worth the cost of earning it. TLC's reality show "Extreme Couponing" depicts an action that, for some, may become a dark obsession. Article source: Coupon clipping can help but it has a dark side.