There is an unadvertised Walgreens Register Reward deal running through 3/24 when you purchase PowerBar singles. The good news is that the Powerbar Pure & Simple Cranberry Oatmeal, and the Harvest Energy Pure Simple Roasted Peanut Butter ones that qualify for this RR are also $0.99 and B1G1 FREE. Woo hoo!
Buy 6 PowerBar Pure & Simple Cranberry Oatmeal Cookie or Harvest Energy Pure Simple Roasted Peanut Butter $0.99 B1G1 FREE
Subtotal: $2.97 for 6 bars, Get back $2 RR
Final cost $0.97 or just $0.16 each bar
Note: some of the other flavors might not be B1G1 Free, so stick with these two flavors.
(Thanks Becky for the deal and picture!)