Your software will be instrumental in running your rentals like a well oiled business machine. 

You may have been an indoor employee with air conditioning and a comfortable chair, but sometimes the only work available is being a rough neck in the oil field or some other unpleasant type of hard work. 

We also have mineral acreage which is a type of real estate at the core but that's an oil/gas investment in my opinion.

Also, needs oil remediation.

Have you driven a car and not do an oil change?

Losses of principal capital investment in syndications is something none of my many clients ever faced, except for Oil & Gas and (one time) a fraudulent syndication.

Army, attracting a steady influx of PHD education people.Houston, TX: Houston's diverse economy spanning oil (used to be just this), healthcare, and technology provides a robust job market that supports housing demand.

Contractors and new investors are like oil and water.

I wanted to try essential oils / diffusers but those are a lot of work and cant function on there own. 

I've sold properties to investors who hold portfolios and for lack of better word the properties are all trash and then I've dealt with some who have a well-oiled machine.