http://www.totalrealestatesolutions.com/articles/disp.cfm?ai (how its done)
http://www.bankrate.com/brm/news/realestateguide2008/buying- (how to buy one)
I'm in MA if you want to discuss it.
I'm relatively certain that by the time we are through this current real estate phase there will need for a re-write. New ground is being broken regularly that will result in much needed updating to protect the best interests of all parties.