CVS Crest Mouthwash just $0.24 each!

***CVS Scenario***

Crest Tartar Protection 16.8 -33.8 oz, Pro-Health 500ml or Clinical Rinse 16 oz $3.99
Buy (1) and Receive $3.00 ECB, limit 2
Use $0.75/1 any Crest Rinse 458 mL + P&G 1/26
Pay: $3.24 and Receive $3 ECB
Final Cost: $0.24