Up to 50% off Halloween Costumes Sold by Kmart. Excludes Clearance, Hot Buy, Everyday Great Price, and Unilateral Pricing Policy (UPP) items. Members get $5 CASHBACK in points on purchase of $25 or more on Halloween costume, décor or candy. Valid 10/1/2017-10/31/17. Cash Back Points will be available within 24 hours of purchase. Points expire in 14 days. Clearance excluded. Max $50 back-in-points per member.