It keeps everyone on the same page.3) The downside of using a PM who has their own maintenance company is that you might end up with larger bills as it is a profit center for them.

Theoretically, they split any profit.

It started with really buying my own personal home, then selling and making a small profit.

The “methodology” the guru presents either isn’t all that profitable, isn’t as simple to enact as he suggests, and or works only with certain limits as to economic climate, geographical area, etc.2.

Sounds like you found a profitable niche 

I would also urge you to make sure you fully understand how they operate , A-Z (from how they make their profit to how many doors they are managing). 

The owner took the back end profit for his park during the life of the POHs now wants to cash in again.  

A good place to start figuring out profit/cash flow is to search the forums for the 4 Square Analysis. 

Lots of areas that pencil very well on paper but the quality of renter you will get is going to eat into any profit you may think you are getting.

Any profits from the flip return to the SDIRA tax-free or tax-deferred.