Approximately monthly page views and/or unique visitors?
How does the site generate income? How much?
Who develops content and administers the site? How much time does it require?
What is the monthly cost of running the site?
Reason for selling?
Will you help with the transition of the site to the new owner?
Does the site have an ezine or newsletter? Number of subscribers?
What all does the site include?
Asking price for the site?
Please assume no traffic or income, some of this sites were done just to check a script or with grand ideas to promote them, promotion which has never been done, so they are just sites who need a good owner.