But because the website is not in English and requires you to find an agent to pick up and ship the actual costume to you, using Taobao can be a HUGE hassle. OH TAOBAO. If you’ve been in the cosplay community long enough, I can guarantee you that one of your friend is living off Taobao’s dirt cheap prices. Costume selection – Based on my experience, black widow costume adults I only found the most popular characters sold on Taobao.