Take advantage of a great Extrabucks offer on Scope mouthwash this week at CVS! Buy two and get back $6.00 Extrabucks. Pick up two of the Crest varieties, and use two $1.25 coupons for Crest mouthwash. Pay less than $8.00 at the register. Get back $6.00 Extrabucks and pay just $0.74 each for two.