There are literally a thousand places and ways to sell bitcoin. In fact, Bitcoin is one of the most sought after digital assets or cryptocurrencies making it readily sellable. One great place you can sell bitcoin for other cryptocurrencies or fiat is
ChangeNow. On changenow, there are multiple options to choose from and the best part is, it's a non custodial platform which means, you control your transactions and can actually have transactions completed in a matter of minutes. Changenow is secure, it's easy and it's cheap!