I’ve heard of people using this strategy before but there’s not much info about it anywhere on the internet.

It's a quick 'n dirty method for analyzing dozens of properties at a glance and knowing where to concentrate you efforts first and heaviest.Maybe you have time to go thru 2 dozen properties per day so they don't fly off the market before the next Buyer comes along.  

That is likely going to create a big tax bill.You may read on the internet about partial distributions over time to reduce the tax hit or at least spread it out.  

To find an example you can either search your county clerk's website for a previous quit claim deed to another property - they are widely used, or even the internet.  

How are you streamlining rent collection from people that don't use the internet?

Next we had to install a 24/7 first responder fire alarm monitoring system ($100/month) through a security firm that also required high speed internet to monitor the alarms & sprinkler system.

You have to have a either an automated security gate with internet communication to you and lock down and open up. 

In addition to normal real estate expenses you will pay utilities, cable/internet, cleaning fees if you hire a cleaner, supplies such as toilet paper, paper towels, and other amenities you will provide.

JWB (Jacksonville Wealth Builders) is a quality company in Florida and to be direct, there are several providers in the Memphis area that vary in price point and area concentration.  

Some of this may be a function of supply/demand in Austin too and lender's bullish nature on lending given what the regulators will allow them to do with this part of their concentration.