A reputable shop for costumes will have pictures of their products , as well as a detailed description of each character. Do have fun and relax! There are a variety of websites that sell cosplay costumes, and you can often find discounts if you purchase multiple items from the same site. What are some cosplay do’s and don’ts? An article in the Japanese magazine My Anime published 1984 in which the word was first used is the source for the word’s origins.