I guess thats the psychology for how most of us were raised.

With graduate school (Industrial/Organizational Psychology; don't worry, nobody knows what it means) and the first few years in the workforce behind me I am getting serious about expanding more rapidly over the next 5-10 years. 

And if he’s scaring off tenants and making your life hell in the meantime you might have some sort of case of opportunity cost.I would also advise talking to a lawyer sooner rather than later because if it does come to a legal battle the first person to file has a little bit of a psychological upper hand in the court system, or so I’ve been told- especially when it comes to disputes rather than overtly criminal behavior.Also I’m sorry for your loss.