Here is a freebie on Crest Pro Rinse Mouthwash for ya at CVS!
Buy (1) Crest Sensitive Care Rinse, $4.79
Use (1) $2.00/1 Crest Mouthwash, RP 9/13
Get $3.00 ExtraCare Bucks wyb 1 Crest Sensitive Toothpaste, Rinse, Oral-B Sensi, or Floss, Limit 2
Pay:: $2.79 | Get $3.00 Extra Care Bucks back
Final Price:: FREE + $0.21 overage