Buy 4 Ziploc bags on sale for $2.50 Use 4 $.70/1 Ziploc Bags printable coupons (Will need 2 computers. The coupon will show $.60/1, watch the video to change the value to a $.70/1 value coupon.) Pay $7.20 Get back a $5 Catalina coupon AND a $2 Catalina coupon Final price: $.20 total – just $0.05 each [Read On]