What you are proposing to do might cross into that grey area and break a few rules. You cannot compel one to perform under an expectation of reward if said reward is unlawful under real estate rules and regulations or washington state ...
If right now you have both hands up, you would look like someone who does come from a vacation only to find his/her tank?s contents on the carpet. Hands in the air with disbelief on their face. Too true. Sadly, I?ve been there. ...