Thumb Score: +10 Walgreens [walgreens.com] has 33.8oz Crest Plus Scope Outlast Mouthwash (Mint) on sale 2 for $5 when you 'clip' the $3 coupon on the product page and add 2 to cart. Shipping is free. Note, must be logged in to clip coupons; coupons are typically limited to one per account.