$0.75 off any ONE all Mighty Pacs or Powercore Pacs (Plus an Ibotta Rebate!) Posted by Harbor Master on 16 August 2017, 9:07 pm Tweet Ex. 08-31-17, The expiration date may depend on when you print it. (Print limit is two) Click here to print $0.75 off any ONE all mighty pacs or POWERCORE PACS Walmart sells 18 Count All Powercore pacs for $3.97. $2.47 after the Coupon above and Ibotta Rebate! Submit for $.75 Cash back from Ibotta when you purchase 18 Count All Powercore Pacs (may be redeemed up to three times per receipt)