If you suspect they are not offering the property fairly to the market as a whole you should report them to the agency they are working for.But one example of unethical behavior would be for you to somehow shortcut the process and be able to buy it without it being listed publicly for sale.

@Steven Denio While they aren't directly about negotiations, Robert Cialdini's "Influence" & "Pre-Suasion" are good companions to Never Split The Difference, as they go into the how & why of influencing people's behavior.

However all of them require an immense amount of honesty, morality and ethical behavior.

"If on a website comments are left up that are making personal attacks in the nastiest way, you're sending the message that this is acceptable human behavior."

Part of that case will be demonstrating a pattern of discriminatory behavior from you.

This happens quite a bit :)Steve I'm shocked and repulsed that anyone would engage in such wanton and lascivious immoral behavior.  

It's always about the behavior if other people.The great majority of people who mail poop out and stop mailing after a few months.

Yes, exactly, the logical response to unethical behavior is to help someone else do it instead.If your behavior is so faultless, why don't you go discuss it with the Real Estate commission?  

If you want to accumulate wealth you have to emulate the behavior of wealthy people.

I've built the system that powers the Tribeca Film Festival, I've worked for various well known startups and I'm the cofounder of an online behavioral health startup, iCouch.