What is the best site to sell CS:GO skins?

SkinCashier, no competition. I've sold a bunch of skins there and never had issues. Fast, reliable, and they offer real cash payouts. Just make sure your account is secure and you verify all transactions attentively.

Definitely check out Steam Community Market first. It's the most straightforward and secure place to sell your skins since it's directly integrated into the Steam platform. However, keep in mind they take a cut from your sales. If you're looking for better prices, third-party sites like SkinBaron or Bitskins can be good alternatives. They usually offer lower fees than Steam, but always make sure to do your homework on any site's credibility and security measures!