SavingStar: Save up to $2 on Corn! August 5th, 2016 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! Head over and clip this SavingStar coupon to save 20% on any single purchase of loose corn (up to $2) after your SavingStar credit. Offer is only valid through 8/8, so be sure to use it before then. Not familiar with SavingStar? Click here to learn more about this fun way to save!