wrong section, this belong to "digital goods"
https://bitcointalk.org/index.php?board=93.0is it an auction?
fixed price sale?
what the sale includes (e.g. token/site/social network etc)?
Is it possible to have data on profits/volumes/turnover?
escrow accepted?
what you want realize?
in short, it is always better to provide as much information as possible! because a potential buyer wants to know as much as possible and it is something boring ask question...