On The WebDevelDomains.com (WDD) site, you can sell domains that are registered with any registrar.
However, if you choose to transfer the domain to us, we will include a one-year extension to the current registration period.  
There will be no minimum fee charged if domain is transferred to WebDevel.com; only the flat 10% rate applies.    

When you buy new domain name or transfer domain name to WebDevel.com you will get a long list of
Free Extras with each and every domain name: