Amazon has a 12-Pack of Mountain Dew Kickstart Drink, 16 fl. oz. Cans (Fruit Punch) for $15  - 30% off coupon (check "Save an extra" box, eligible on first S&S order for this product) - 5% off with Subscribe & Save (can cancel at any time) = $9.75 with free shipping on $25+ or with Prime. 81 cents per can vs. $1.60 at Walmart.

Mix of "dew", fruit juice and caffeine; each can has 80 calories. 92mg caffeine per can.