Step 1. Pick a Crypto
Step 2. Exchange
Step 3. Receive your funds
Disclaimer. I am an affiliate with ChangeNow.io and will earn a small commission.
Altcoins are easy to buy on exchanges, but it is not always possible to send them back to exchanges. Bitcoin and Ethereum can be sent back to most exchanges and liquidated with ease.
You can use the ChangeNow widget and change your altcoins into a cryptocurrency that can be sent to an exchange. (see video above for more details.)