Books
Check BookScouter.com, where more than 30 used book vendors will compete to buy your books. Download the app and then input the ISBN number (either a 10- or 13-digit number on the book itself) to find out which book buyer, if any, is interested in what you have, and which one is willing to pay the highest price.Decluttr.com buys books, too, and is the easiest way to make quick cash for your highly desirable used books. The site accepts hardbacks and paperbacks, used textbooks and children’s books, too. Know going in that Decluttr buys books that have a high degree of desirability. Then they offer a price that will allow them to resell for a profit. It’s certainly worth checking out.
Clothing
Sort your best clothes, pull out the gems and sell them to a consignment store, at ThredUp.com, PoshMark.com or through eBay. If you have vintage pieces Etsy will bring you the best buyers.But first, make sure your items are impeccably stain-free and clean. It’s important for tags to be intact that show the brand, size, fabric content and laundering instructions. If these tags are missing, do your best to describe what you know about the item and attach that information on a note.
Furniture, Antiques, Collectibles
Sell pieces of exceptional quality on consignment or at auction (online or off). Or search your local area for auctions and furniture consignment stores.List good-quality pieces in local newspaper classifieds or on Craigslist. Sell lower-quality or less desirable items at a yard sale or estate sale.
Electronics
Sell older electronic items on eBay, Craigslist or the classifieds of your local newspaper. You can sell older but still usably functional items at a garage sale. Just make sure you can demonstrate an item’s functionality. If you’re looking to sell vintage electronics, eBay is a good place to start. You could also check out Best Buy or another retailer that offers a recycling program.Housewares
Sell highly sought-after items on Facebook Marketplace (one of the best online places to sell stuff locally and to ship as well), on consignment in a shop near you, on eBay or through Craigslist. Sell everything else at a yard sale, where you will need to price these items well below what you may think they are worth. (Remember this the next time you are tempted to load up on all kinds of cute, holiday-specific or otherwise delightful housewares at stores like HomeGoods or TJMaxx.)Jewelry
First, get an appraisal from a reputable jeweler or two so you have an idea of what your piece(s) might be worth based on content -- gold, silver, platinum, precious stones. Then sell them through eBay, at auction or to that dealer or jewelry store. For the lesser pieces, look to a local consignment shop or list them on eBay.Musical Instruments
Reverb.com is a great online place to sell vintage masterpieces and gently used musical instruments of every kind. Audio equipment, too.Or let the band directors at area middle schools and high schools know you have an instrument for sale. Parents who will be looking for alternatives to buying a new instrument that their child may or may not use beyond a semester or two. If that fails, as a last resort, you can always sell your instrument(s) to a pawnshop or music store.