PowerBar single bars 1.76 oz $1.00 (regular price)
Buy 4 bars = $4
Download the $2/4 ecoupon from (Kroger.com) it will automatically come off once you scan your card at checkout. Pay $2.00
Then submit for the $2.00 Mobisave rebate. You can sign up here. MobiSave is available on Apple and Android devices.
Final price = Free for all 4 bars!