I almost fell over dead thinking maybe I was going into the wrong business.

A business line of credit through your LLC protects personal assets, builds business credit, and may allow interest deductions, but it might be harder to secure for a new LLC.

Do you guys think there will be regulations that will be created around this that might affect those companies, or worse smaller businesses?

As a landlord, you are representing yourself to the public as a business. 

It forces me to get real familiar with my business and how my properties are performing.

Not sure about MTRs.My general conclusion was that it is tough to do business in the town if your goal is to buy property as pure rentals out the gates and no intention to occupy.

I have my businesses in Denver.

Aloha Shay, I am on Oahu, but about 10% of my business is on the Big Island.

PMs can minimize their suffering from unrealistic expectations by showing comparable properties that are on the market for rent and having a discussion with the landlord as to how their property compares and how his property can be more attractive to renters.Landlords are running a business. 

Possible to maybe build one similar to this with an add on for small business owners and REI's. https://docs.google.com/spreadsheets/d/1xYOKT2eNS588cj6_8jVv2vobAfAhCVUd/htmlview#gid=1221524195