There are a handful of places where you can sell you domain names by PARKING it.
in order to park your domain name, you have to create an account and then list the domain name there. Then go over to the registrar where you have your domain name and change the name server to where you wanna park it.
Make sure you put a price that you would wish to sell your domain name.
Currently, There are many websites where anybody can sell domains for free of cost, they are charging only after sales on sales price.
Websites are :
- Sedo .com
- freemarket . com
- Godaddy .com
- Afternic .com
And many more websites are available in the online market.