It sounds like you want to trade RE investing for EE...but both require effort.  

They merely create buying opportunities for stocks and real estate.Be fearful when others are greedy, be greedy when others are fearful.

These out of state owners are being led by greedy real estate agents and these multi units are just sitting idle on the market here, all over priced, run down and in the highest crime areas.

I'll leave you with a quote:"There is no conflict of interests among men who do not desire the unearned, who do not make sacrifices nor accept them, who deal with one another as traders, giving value for value."

Additionally some park managers are honest and nice, and others are greedy and shady, you may choose who you want to work with.I hope this has helps and I didn't stray too far from your original question.

If he's being greedy, the market will let him know.  

In a large city, people are cut throat and motivated, by greed. I

I am not greedy so I have a set number in my head that I am trying to accomplish.

Be fearful when others are greedy.

If they get really greedy as someone posted earlier, those people and their lawyers will drag it thru courts for years and bleed them dry.