In the southern/middle part of the country you can get into a great area for under 300k.

One question comes to mind reading the "hire a PM to scale easily" vs the "PM yourself with few units", and maybe it's from my service business background, but it seems there is a middle ground that hasn't been mentioned.

Maintenance issues, broken toilet in the middle of the night, blown HVAC? 

I have closed on one deal and we are in the middle of the renovation process now.

They did research with poor to middle class people and the wealthy.About 85% said the same thing they valued memories and happy experiences with friends and family.

In the middle of BRRRR rehab with hard money financing purchase and some of rehab.

I am currently in the middle of a rehab, things won't left with my General Contractor and I need to take action.

There is going to be no new builds (for single family homes) at the starter home or middle class level. 

Best candidate, worst, somewhere in the middle.  

So here is my question, I know a reputable firm that provides this service but how can I set up the 'business partnership' where they are my chosen vendor for this service without my clients trying to go behind my back to deal with them directly, thereby kicking me out the middle.