Please email us with your 
Website
Web Design
Brand
Blog
Facebook
YouTube
Etc

With:
URL
Proof of ownership (such as your ID with Full name and address + The Domain Receipt) Something to show you are who you say you are and that you own it the Business,Website, domain etc.

Welcome to email us before hand Or if you have anymore Questions 
Payment is done via PayPal for only $5 USD your Online Business etc will be up For Sale until sold and your paid directly to your own PayPal account with No commission taken (other then the PayPal commission )