Walgreens: Eclipse Gum $0.20 Per Pack

There is a new gum clearance at Walgreens:

Deal Scenario:
Buy 2 Elipse Breeze gum (12 packs), on clearance for $0.70 each
Total: $1.40
Use the $1/2 Walgreens coupon from the March coupon booklet
Final cost: $0.20 per pack!