Here is an Extreme Coupon deal we found at Kmart.  The Buy One Get One Free store promotion is this week through 7/16.

Buy 2 Butterfingers, 2.1 oz $0.66, On Sale thru 7/16
Buy One Get One Free
Use $0.50/2 Nestle Single Bars from SS 5/1

Final Price: $0.08 each when you buy 4

Sunny D Drink, 48 oz $1.99
Buy One Get One Free

Final Price: $0.99 each when you buy 2