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According to the Promotion Marketing Association’s (PMA), an average family saves around $5.20 to $9.60 per week (about $2,000/year) using coupons. Additionally, shoppers using coupons claimed in the research that they save about 7% on a grocery shopping trip with coupons. You can make fantastic savings by frequently checking when vouchers and coupons are available for your favorite products. Check your mailbox or the Sunday papers to find the best coupons.