Realistic heat resistant wigs in over 50+ styles, including long, short, curly, straight, lace-fronts, multicolored, and more!

They also have wig accessories and useful tools for wearing wigs.

They have a selection of 900+ styles and in a wide range of colors! All wigs are heat resistant and tangle resistant, while maintaining a soft luxurious feel.

They also offer free shipping, an easy to use rebate program, and a 30 day return policy. 

Corset busks, boning, bone casing, lacing, grommets, grommet setting tools, coutil, fabrics, bra cups, elastics, underwires, corset patterns, bra patterns, "How To" books an videos, and more!

Largest wholesale fabric store online. They offer almost any fabric you can imagine, including apparel fabrics, home fabrics, and novelty fabrics. They even offer discounts and sales on the already low wholesale price.

Great site to get a character specific morph suit.

Original designs are accepted to custom-make a morph suit

Any costume or character can be made to specific body measurements.

Facebook is a great place to find Secondhand Cosplay Buy/Sell Groups where cosplayers around the world can buy and sell cosplays. These groups are a great way to get gently used finished cosplays for a good price.

Here are two examples to get you started!

Offers a diverse range of products for all your costuming, craft, and sewing needs, including plastics (Worbla and Wonderflex), craft materials (foam, felt, vinyl, feathers, beads, metals, trimmings, etc), full cosutmes and costume accessories, makeup, prosthetics, and much more!

Etsy is a global online marketplace, where people come together to make, sell, buy, and collect unique items. This site is a great place to commission specific items from reputable creators.