For added security, consider umbrella insurance alongside the LLC. 

If you have something like a finished basement or garage I could see adding one there but no need to take up space and make it look junky with one in each room.  

Another friend who invests heavily in Phoenix shared a story about her first deal there..she jumped too quickly into a duplex without adding a little cushion for those first-year capital improvements.

I also added one other habitat which I am very excited about, but have not started to implement yet...I would like to do it once a day, but I think I will start out with a once-a-week video journal entry!

So I added the double grounds.Sometimes you have to pick your battles.  

Now some investors will argue it is not a D area but a C - or something.

probably the best outcome is to reduce the cost of adding housing.  

First of all, I suggest you search the forums as arbitrage has been discussed ad nauseam.

One thing people haven't mentioned is look for your own ad on the key rental syndicated sites and see if it presents well. 

I came back to Ohio and started working for a construction company, and have been there since. (2017) Currently I manage an asphalt plant for them in Columbus.I haven't done a ton of real estate investing, but have a strong understanding of construction, and project management.