FREE Coffee Booster Sample by Mail January 4th, 2019 By Nicole Leave a Comment This post may contain affiliate links, which means I will make a small commission if you click and make a purchase.Thank you for supporting Cha-Ching on a Shoestring! FREE Coffee Booster Sample by Mail Hurry and claim a FREE Coffee Booster sample. While supplies last. Looking for more FREE Samples by Mail? Click here. Never miss another deal! Subscribe to our FREE email newsletter or follow us on Facebook. Thanks for stopping by!