What you seem to be missing is your main need is an accounting system.  

However, components of a central HVAC system in a residential building, including furnaces and condensers, are NOT eligible for this treatment and must be slowly depreciated over 27.5 years (39 years for STRs).

I make sure that they help in creating new systems and processes, always asking for their advice.  

I'm sure they also told you their systems will protect against aggressive attorneys and creditors and make you invisible so nobody will ever dare file a claim against you...it's all a money grab.If you are a sole proprietor I am putting my money on the fact a single member LLC in the state in which you live/own real estate will suffice.

They seem to have a great system and I know they spend years before deciding on where to build there projects.

This is why so many companies are leaving states like California.Pro-business environment: Companies want to focus on their core business, not fight anti-business policies.Significant infrastructure: Companies favor cities with substantial airports, freeway systems connecting to other cities, and more.

I would like to know more about ways to use OPM  The only way to determine if the home is going to cost you a lot down the road is by determining the age of the mechanical systems & if the structure of the home is sound. 

The terms of service still apply and the risks of losing the listings are still there.A 'brand" isn't anything other than a name attached to a person or a system or a process.

With experience, they have the right systems in place and know what doesn't work. 

If you are going to self manage you will need to build business systems and get a list of reliable vendors.