Costco Sale: Acai To Go Natural Energy Boost 30 Packets $17.99 by Rhonda July 27, 2020 Costco has the Acai To Go Natural Energy Boost 30 Packets on sale for $17.99 (after manufacturer’s instant rebate), now through April 29, 2012. That is $4 off Costco’s regular price … 0 FacebookTwitterPinterestEmail