This week, CVS has Extra Gum markd down to 3/$2 or just $0.67 each. They just posted a new coupon on their website for $0.75/1 Extra Gum. Here is the math:
$0.67 Extra Gum
-0.67 $0.75/1 Extra Gum coupon (coupon may be adjusted down)
Thanks, Money Saving Madness!