Walgreens has Dimetap/Robitussin for $3.99 w/ RR's (Buy 2, Get $5 RR Buy 3, Get $10) this week 10/12 - 10/18. Its a pretty nice money maker. I got 3 Dimetapp Childrens Cold & cough, 2 5-lbs of Domino Sugar, 3 Basic paper towel rolls, 2 stride gum, 1 Gal. milk for $6.05 + tax.
This is what I done today...
First transaction
$11.97 (3) Childrens Dimetap Cold & Cough @ $3.99ea
-$6.00 (3) $2.00/1 Dimetap Coupons
PRINT HERE
=$5.97 OOP + tax & Got back a $10 RR's & Catalina for Stride Gum BOGO, making $4.03 before tax!
Second Transaction using the $10 RR
$3.98 (2) 5lb Domino Sugar @ $1.99 ea (still ringing up on sale)
$4.47 (3) Bounty Basic Paper Towel Rolls @ $1.49 ea
$2.38 (2) Stride Gum @ $1.19 ea
$3.99 (1) Gal. Milk
$14.82
- .50 Domino Sugar cpn 10-12-08 RP
- .50 Domino Sugar cpn 10-12-08 RP
-1.80 7-day cpn Limit 3 (7-day coupon for .89)
- .25 Bounty Basic cpn 9-28-08 PG *paper towels .64 ea w/ 7-day & mfg*
- .25 Bounty Basic cpn 9-28-08 PG
- .25 Bounty Basic cpn 9-28-08 PG
- 1.19 Stride BOGO Catalina from 1st transaction
-10.00 RR's earned on the Dimetapp from 1st transaction
= .08 OOP + tax
Hope this helps someone, sure helped me...

. Enjoy
Edit: 7-day .89 cpn for Bounty Basic added to equation that was left out in OP, thanks to Tigerfly28...I was posting by memory real quick and not by actual receipt...its all correct now 