Arts and Crafts
Mister Art - Buy arts and crafts to create your own sellable products.
Create For Less - Repair your own clothes or find the tools you need to create crafts and clothing for sale.
Joann - Find fabrics and tools to help you create your products.
Clothes
Fabric - Buy fabric to repair your own clothes or buy fabric to make clothes you plan on selling.
AllBrands - Lots of tools for sewing and creating clothes can be bought here.
CTS USA - You can buy many supplies to create your clothing here.
Cookie Dough
Furniture
Rockler - Find plenty of great tools here to help you build your own furniture for sale or use.
Ace Hardware - Find materials and tools to help you complete your sellable products or DIY projects.
Do It Best - Build, create, and save money around the house with the many products offered here.
Ideas and Inventions
Genius Crowds - You put your idea or product invention for all to see, let them vote on it and hope that it gets chosen as the most in genius of the ideas. Main goal
Threadless - Submit your idea for a T-shirt design for a chance to win money and other goodies.
T Shirt Hell - Submit design ideas for a chance to win some money.
Jewelry
Jewelry -
Music
CD Baby - See if you can sell your undiscovered music through cdbaby.
Sell Your Photos
Crestock - People are making money selling their stock photos. Micro payments to you for your photos could be lucrative.
123rf - Sell your great photos for cash.
fotolia - Sell your photos for cash.
Stockxpert - Photos
ShutterPoint - Sell your stock photos.
ShutterStock - Sell your photos for cash.
Dreamstime - Sell your photos for cash.
Video Games
Whirled - Create video game characters and various add-ons for different games in exchange for money.