Here's how I was able to use one $5 RR on $21.51 worth of items and only paid 75 cents out of pocket:
(6) Activity coloring pads @ .50 ea...$1/3 after in-store coupon
(2) Kleenex tissues @ $1.49....79 cents after in-store coupon
used .75 printable
FP: 4 cents ea
(2) Campbell soups @ $1.39....59 cents after in-store coupon
used .50/2 printable from Campbell's website
FP: 34 cents ea
(3) Hot Wheel cars @ $1.29...49 cents after in-store coupon
(1) Cottonelle wipes @ $5.49...$2.50 after in-store coupon
used $2 mfc from Walgreen's catalina machine after a previous purchase
FP: .50 cents
(1) St. Ives Bodywash @ $3.39...$1.49 after in-store coupon
used $1 mfc
FP: .49 cents
Total after coupons: $5.22
used $5 RR
FP: .22 (.48 tax) = .75 cents