The "guru" says making money from overages is super easy , just call people and make $30k and that he is tired of depositing the checks in his bank .

Not over reacting, just tired of arrogant tenants!

That's what I did when I got sick and tired of living my life in a metal box on the highway.  .Best wishes!

How do you handle tenants doing drugsHow do you handle noise complaintsHow do you handle vehicle violationsHow do you keep a tenant long term?

I'm typically the bank (Although not always) hiring asset managers to keep mom and pop investors from blowing up my phone wanting side deals before they hit the market, because I get tired of having to explain to them that my job is to expose my bank owned property to the highest possible buyer pool, so that I can get the highest possible return, which is in direct contrast to your objective, which is the get the best price possible on a property without having to compete.

You will get calls from tons of "curious" tire kickers who just want to know how much would you be willing to pay for the house.

I have seen cars turned into BBQ grills, tables turned into desks, all kinds of things turned into light stands, and so forth.Just because a word or phrase is used for multiple things doesn't mean they are related in the sense that we are criminals because we take an old tire and turn it into a coffee table vs someone who breaks into the DMV and creates fake IDs. 

What most folks around this site seem to forget about real estate investing is the cash flow isn't the thing that makes it such a good investment vehicle.

Take photos of the vehicle and tags. 

Then wtf transmission starts to give on my vehicle.