In addition to the cheap Right Guard Deodorant that you can get at Walmart, you can get some for free at Target!
Right Guard Xtreme Deodorant or Body Wash $3.49
Use $2 Right Guard Target coupon
Use $1.50 Right Guard Xtreme coupon from 7/14 RP
Final Price: Free!
Be sure to check the rest of the Target deals before heading out! There are a bunch off great ones!
(Thanks Totally Target!)