Through 01/06, CVS has 1 Liter Scope, 16oz Crest 3D White Mouthwash and Crest Pro Health Mouthwash 16.9 or 33.8 oz on sale for $3.99. You will receive $2 in Extra Care Bucks when you purchase one. Buy one Scope One Liter for $3.99 and use the $1 off One Crest Mouthwash 16oz or larger Coupon from the 12/31 P&G Insert or the in app coupon. (Ex. 01/13/18). Pay $2.99 and then get back $2 in Extra Care Bucks. Final price $.99.