Prepare to sell your art supplies. Decide what is worth selling and document each item. Examine each piece for any wear or damage and make a note of this. Photograph your art supplies individually in good lighting. This is especially important if you sell online where potential buyers cannot physically inspect your art supplies before buying.
Call local art supply stores to see if they buy used supplies. This is uncommon but you may find it worth your while. If a store sells used goods, chances are they are willing to buy them from you. Some jewelry fabrication supply stores will buy scrap metal left over from your previous projects, for example.
Consider including your used art supplies in a general sale or yard sale. If you know someone who is hosting a sale, offer to give her a percentage of the profit in exchange for selling your items.
Check bulletin boards in art stores, art centers and art schools. You may be able to advertise your art supplies with a flyer, business card or a simple note in these places. Tell people you know and give them item and price lists. They may not buy your used supplies, but they may know someone who will.
Sell your used art supplies online. Websites like Ebay and Craigslist make this relatively easy to do. Ebay’s selling processes are structured, but they take time to learn. Websites like Craigslist, where all sales terms are between the buyer and seller only, are easier to use, but require more caution.