eBay - Buy and sell electronics, cars, fashion apparel, collectibles, sporting goods, digital cameras, baby items, coupons, and everything else on eBay, the world's online marketplace
Etsy - Buy and sell handmade or vintage items, art and supplies on Etsy, the worlds most vibrant handmade...
Amazon - Online shopping from the earth's biggest selection of books, magazines, music, DVDs, videos, electronics, computers, software, apparel & accessories, shoes, jewelry, tools & hardware, housewares, furniture, sporting goods, beauty & much more
Shopify - Shopify is a powerful ecommerce platform that includes everything you need to create an online store and sell online. Try it free for 14 days.
eCrater - eCRATER is a free online marketplace and an e-commerce website builder based in Irvine, California.
Facebook Marketplace - Marketplace is a convenient destination on Facebook to discover, buy and sell items with people in your community.