thredUP is an online consignment shop for women’s and kids’ clothing, shoes, and accessories. To sell items, create an account and ship your items to them.
Poshmark is a popular online platform for selling gently-used clothing and accessories. To sell on Poshmark, you'll create your listing and handle shipping yourself.
If you’re looking to sell high-end items such as designer clothing, bags, and jewelry, The RealReal is a great online consignment store that focuses on luxury items.
Plato’s Closet is a popular chain of consignment stores that specialize in gently-used clothing. You can take your clothing to the store, and they will offer you cash on the spot.