Facebook Marketplace - Marketplace is a convenient destination on Facebook to discover, buy and sell items with people in your community.

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

Depop - If Instagram had a marketplace to buy and sell items

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

Best Buy - Where technology meets a simpler, more convenient way to shop Best Buy.

WeBuyBack - WeBuyBack is the easiest way to sell your unwanted items. Snap it, post it, sell it. The Gen Z marketplace.