Starting 9/15 CVS will have Colgate Optic White on Sale for $2.99 with a $3 ECB back when you buy 2. There is also a $2/1 Colgate coupon from the 9/8 Smart Source insert. See the deal below to get 2 free + $1 Moneymaker.
Starting 9/15 Buy 2 Colgate Mouthwash $2.99
Use 2 $2/1 Colgate Mouthwash in the 9/8 SmartSource coupon insert
Get Back a $3 ECB
Final Price =2 Free + $1.02 MoneyMaker