Starting 9/16 Walgreens will be offering $6 Register Rewards when you buy FOUR Crest Mouthwash & Toothpaste on sale for $2.99, use Walgreens Digital coupons to score them for FREE + $2.04 MONEYMAKER (Valid thru 9/22)

Deal Scenario:

Buy (2) Crest Toothpaste $2.99
Buy (2) Crest Mouthwash $2.99
Buy FOUR, Receive $6 Register Rewards
Use (1) $4.00/2 Crest Toothpaste or Liquid Gels (Walgreens Digital)
Use (1) $4.00/2 Crest Mouthwash & Oral-B Toothbrush (Walgreens Digital)
Pay: $3.96
Receive $6 Register Rewards
Final Price: FREE + $2.04 MONEYMAKER after stacking offers

You can also try this deal:

Buy (3) Crest Toothpaste $2.99
Buy (1) Crest Mouthwash $2.99
Buy FOUR, Receive $6 Register Rewards
Use (2) $1.00/1 Crest Toothpaste or Liquid Gel – 9-16-18 RMN (exp 09/29/18)
Use (1) $1.00/1 Crest Toothpaste or Liquid Gels (Walgreens Digital)
Use (1) $1.00/1 Crest Mouthwash & Oral-B Toothbrush (Walgreens Digital)
Pay: $7.96
Receive $6 Register Rewards
Final Price: $1.96 when you buy all, like paying $0.49 each.