with the b1g1 coupon coming in the newspaper 7/20
(Trident XtraCare Gum Single Pack, any B1G1F up to $1.49 exp 9-14-08)
and get 2 packs of free gum
receive $1 ecb for each 2 you buy (july deal, limit 5/10 packs)
so you'll get paid $1 to take 2 packs of gum!
standard disclaimer: it seems most cvs's are okay with using a b1g1 coupon on a b1g1 sale, but be prepared for the possibility of being told "no"