Suggestions on buying stuff from Taobao outlets (a Chinese thing): http://cosplaynewzealand.forumotion.com/t11421-taobao-cosplay-shop-links-wigs-costumes-shoes-tattoos-other
http://www.cosplayying.com/en/cosplay-costumes-1/vocaloid-12/
http://cosplaysky.com/cosplay-costumes/anime-costumes.html?limit=all
trivial edit here