There is a $1/1 Vicks ZzzQuil Product coupon. Plus, you can get $5 Rebate in the 8/30 Coupon Inserts. You can get ZZZQuil for free at Rite aid after coupon and rebate.
Here is how:
Buy 1 ZzzQuil $6
Use 1 $1/1 Vicks ZzzQuil Product coupon (8/30 P&G)
Pay $5
Receive $5 back with the Mail-in-Rebate in 8/30 Inserts
Free after coupon