Save BIG on K-Cups at Staples This post may contain affiliate links. Please see the full disclosure policy here. Posted on August 24, 2015 Written by Mary Leave a Comment Hurry over to Staples.com and save 20% off all brands of KCups now! Choose from top brands like Starbucks, Dunkin Donuts, and more. Choose in-store pickup to avoid shipping charges. GO HERE to check out the deals. BONUS: Shopathome is offering DOUBLE CASH BACK right now on Staples purchases!