Amazon Deals: Adult Halloween Costumes As Low As $6.88! September 28, 2018 By: SMFMcomment0shares 0Share 0Tweet 0Pin Check out this great deal going on right now on Amazon!! Hurry over and score this Adult Halloween Costumes As Low As $6.88! This item will ship free with Amazon Prime or orders over $35. **Remember Amazon Prices can change at Any time!!