Online services can help make dramatic differences in grocery bills

“When checkers at the grocery store started complimenting Sarah Chappelle on her food-shopping savvy — ‘Good save!’ one said approvingly — she figured she was on to something. The proof was in her receipt. Almost overnight, Chappelle had slashed her grocery bill by half. Chappelle’s secret: coupons, grocery-store sales fliers — and the Internet.”