Walgreens has 3.8-Oz Crest 3D White Brilliance Hydrogen Peroxide Whitening Toothpaste (Fresh Mint) on sale for $1.49 when you follow the deal instructi below. Select free store pickup where stock permits (minimum $10 order required to qualify for pickup).
Note: Note: Availability for pickup may vary by location.
Thanks to Community Member tommy82 for sharing this deal.

Deal Instructi:
Login or Join MyWalgreens (free to join)
Choose from the following opti:
3.8-Oz Crest 3D White Brilliance Hydrogen Peroxide Whitening Toothpaste (Fresh Mint)
Clip the $4 off 1 coupon on the product page
Add a quantity of 1 for store pickup
Total will be $1.49 + free store pickup on $10+ orders