Next week at Walgreens, Glade PlugIns Scented Oil Customizables starter kits and Sense & Spray starter kits will be on sale for $4.99. Buy one and receive a $2.00 Register Reward! Be sure to print some coupons to save an additional $2.00! These coupons may not still be available when the sale begins, so print now and save them for the 23rd. As with all Walgreens Register Rewards, you can earn one Register Reward per offer per transaction.