In fact, that can land you on the losing side of a lawsuit.

The dog bit into the blinds, broke the TP holder off the wall, and scratched up the door and frame.

Vetting the tenants and following local laws is extremely important.If you don't own a primary residence, would you consider house hacking (buy a single family and rent out the rooms or a duplex and live in one side/rent the other?

On the Buy side as far as an investor I never used the lease option to tie up a property.

I enjoy the quantitative side of it all.

If so, I would like to apply my expertise in Data analysis as part of my side hustle project.Please suggest. 

And yes this is a 1 in 1000 situation but plenty of other disasters could happen and having the right insurance policy is huge to protecting down side risk. 

And that's the most conservative side of things, using many prevailing things out there such as house hacking or using FHA and annual/bi-annual move you can get a 20:1 leverage, earning on $20 for every $1 you invest.     

And if 6% is on the Safer-Withdrawal Rate side, is that the real secret sauce of unleveraged SFHs?

I have a fairly clear understanding of how to manage the administrative side of setting up an LLC or handling legal aspects from outside the United States.