Target has Scotch Bonus-size Magic Tape on sale for .50¢. You could price match it at WalMart and use this $1 off any Scotch Magic Tape coupon to get it FREE + 50¢ overage!
(Of course, you can just get it for free at Target too if you don't want to price match it)
(thanks Frugally Thrifty!)
Also, use this printable coupon for $5/1 Bengay product to get Bengay for FREE + overage at WalMart. It sells for around $4.23.