If you're stopping by Walgreens this week, you may want to cash in on this better-than-FREE Gain Dish Detergent deal. Gain Powder Detergent (30 load) $5 Gain Dish Liquids (buy 2) $1.79 each Get (2) $3 Register Rewards $2/1 Gain Powder detergent   (SS  9/11/11) $0.50/1 Gain Dish washing Liquid, exp. 9/30/11 (RP 8/14/11) $0.42 profit [...]