You used to be able to settle deal with a handshake and that was it. Now that's the least thing you need to worry about. Some broker just contacted me. She only has her name in the email. No information about the brokers in the webpage. Only 3...
That's why you should find the end user yourself. I have heard brokers buying names when they already have a buyer at 6 x the price. Some brokers even impersonate other companies to make you think they are a different company to make a good deal...