Today Only — Save 40% off of Halloween Costumes at Target! This post may contain affiliate links. Please see my full disclosure policy for details. September 26, 2014 26 Sep Pin0Share0TweetGoogle+0shares There is a really great deal on Halloween Costumes today at Target! Grab this Cartwheel offer and you can save 40% off of your purchase!! The only down side is that this coupon is valid today only, September 26th. Thanks Hip 2 Save!