Q. Do you have a manual for our control panel?
A. Go to http://www.cpanel.net/docs/cp/index.html

Q. Where do I go to login to my control panel?
A. You go to http://www.yourdomain.com/cpanel or https://billyhost.com/login

Q. How do I make sub-domains?
A. To make a sub-domain login to your control panel and click "domain management" inside of domain management you will see a place to manage and add sub-domains.