Then there's the occasion when you run across that individual who is determined to manipulate the system so they can cause you as much grief and cost you as much money as possible.

They signed the lease, they are getting housing they clearly are trying to manipulate the situation and it costs real time and money and hassle. 

Not having access to these (which the owner in the scenario DOES enjoy) leaves you with cashflow - but with very little in the way of knobs, dials and levers with which to manipulate the factors that influence cashflow... 

Then you can read a more in-depth book like The Book On Rental Property Investing by @Brandon Turneror The Unofficial Guide to Real Estate Investing by Spencer Strauss.2.

I’ve been in a great deal of them for work :) there may be a few extra square feet I could manipulate to squeeze something in on the first floor but the last time I checked my layout it wouldn’t work out with a first floor bath.

This step is one of the most important and requires further explanation.Doing in-depth research on a property is critical to a successful deal.

Then you can read a more in-depth book like The Book On Rental Property Investing by @Brandon Turneror The Unofficial Guide to Real Estate Investing by Spencer Strauss.2.

It's always great to be able to bounce questions off of someone who is great at what they do and has in-depth knowledge about real estate.

When you get too personal, tenants will start to take advantage of that and attempt to manipulate the relationship in their favor.

Feel free to message me and we can talk more in depth.