There is a nice $5 coupon on select 24-packs of Red Bull over at Amazon. Pick up either original or sugar free for a great price. Here are the links to the items:
Red Bull Energy Drink 8.4 oz 24-pack – $27.49 ($1.15/can) with sale and $5 coupon (was $36.99!)
Red Bull Sugar Free Energy Drink 8.4 oz 24-pack – $30.96 ($1.29/can) with sale and $5 coupon (reg. $36.99!)