Ok, so you may think that you know how to shop Walgreens, but you haven't seen anything until you've seen this.
Christie, over at BigFatPiggyBank just made the ultimate Walgreens purchase. She did 35 separate transactions - yes 35! Spent a total of $0.24 OOP. And MADE $218.76 in RRs!!!
I'd like to see someone top that!