Middle of the shelf is usually a good place to start.

Having an LLC, S-Corp or C-Corp provides isolation of personal assets from corporate liabilities.In other words, if I own a convenience store under Me, LLC and someone walks into my store, trips and hits their head on a shelf, resulting in severe brain injury, the resulting lawsuit can only collect up to the assets of the store.Let's say that the plaintiff was awarded $5M in damages. 

For me, I obtain high quality tenants, most of which are in services or tech, with multi-year (lower vacancy) automatic escalating rental rate leases based on CPI increases.There are infinite ways to invest and it's definitely possible to increase number of properties while keeping the time and energy managing them to a minimum.I've owned and managed properties in 5 states, 8 cities for over 20 years.

Off-the-shelf Home Depot or Lowes will do fine.

And over and over every time people said I was nuts, I was over-building, doing it too nice, why so much tile, why wainscoting, why craftsman style vs cheap off the shelf builder grade.

I’m going to make my money back in 2 years based on the cost of me paying for all the heating oil in the multi families I’m converting and then after that it’s an infinite win of increased cash flow every year thereafter.

This diminishes the return and I expect outstanding return for residential RE (typically I have achieved the infinite return via value add/refi). 

The deal I had in January flew off the shelf.

But in the installer’s infinite wisdom, they thought using duct tape to hold the overflow sensor onto the pan would be a good idea in 180° Florida attic.

There is no “one” single challenge.Innocent question however until you do a few probates in your local venue do you realize how many variables are involved.How about scaling the marketing side (only) and see what fruits your efforts produce.I’ve done well over two thousand probate transactions since I started in 1978 and I see no benefit to look outside of my home state.We have (58) counties in CA and, despite a single probate code, there are local rules of court to deal with and an almost infinite number of fact patterns.