If you wish to buy, sell or trade Rust skins in and other Rust cosmetic items in 2021, there are a couple of ways to go around this. The first and most obvious way to sell or trade Rust skins is through the official Steam marketplace. It offers users a completely safe and secure way to trade Rust skins or cosmetic items for many other Steam games, and all you need to do is sign in to your Steam account, and you are all set. However, the downside of this marketplace is the fact that users can't exchange their Rust skins for real money and therefore are forced to spend all their earnings on the Steam platform. Trading, however, has no downsides so if you want to trade your Rust skins, you can do so here with full help and support provided.
Additionally, you can also trade Rust skins, or any other video games cosmetic items by using a third party trading website such as the SkinCashier. To use a website such as this, all you need to do is sign in to your Steam account, and from there, you can trade Rust skins as you would normally through any other platform or website. SkinCashier has a large collection of skins for sale for many popular games and focuses on providing help and quality services to those who use the website.