If you received the regional $1/1 Advil PM coupon then you need to check out this 4 pack at Walmart for only $0.97! Free + $0.03 Overage after coupons!!! I just found these by the pharmacy at my Walmart!
Advil PM 4 ct: $0.97
Use: $1/1 Advil PM Product, exp. 1/31/13 (RP 10/28/12)
Final Price: Free + $0.03 after coupons!