Ever owner/landlord has their own priorities when dealing with tennat issues but that does not mean their policies are universally mandatory.I personally do not have ac and have managed to survive many days this summer with the heat and humidex well into the 90s.

In others words to survive all throughout their real estate investing career, to reach financial freedom and be able to keep it. 

Yes and that is why turnkeys survive, because  whether it's true or not, the perception is lower risk.

Does anyone know what will happen to taxes in Harris, Fort Bend, etc, counties in 2019 for houses affected by Harvey?

Some heir has to gain the legal power to sell....if there is a surviving spouse it is much simpler.  

I know a lot of investors around here use Harry March from Charlotte for their wholesale stuff, subject to contracts and all that kind of stuff 

Teach others and pay it forwardTo paraphrase Rich Dad Poor Dad, "Wealth is the number of days you can survive forward if you lost your job today."

If insurance was impossible, how could the entire county survive?

But it will probably survive and become more of a hyper expensive upper class only area. 

@Theresa Harris Electricity is metered separately for each unit.