Great Unadvertised CVS deal for Head and Shoulders

Buy 1 Head & Shoulder’s products = $2 Ecb (limit 3)
Deal Scenario:
Buy 2 Head & Shoulder’s products $1.57 each
Total = $3.14
Use the $1/2 coupon found in the 12/11 RP
Pay $2.14
Get back $4 Ecb
Final cost FREE + $1.86 money maker!