There is an unadvertised deal at CVS right now on Powerbar Energy Blasts.
Buy 1 at $1.50 and get a $1.50 ECB back, making them free. You can also use the $1/1 coupon from 1/31 SS to turn this into a $1 moneymaker! Limit 1 per card.
There is also still a free sample offer of these HERE.