You might want to read our series about “How to Screen a PMC Better than a Tenant”, since selecting the wrong PMC is usually more harmful than selecting a bad tenant: https://www.biggerpockets.com/member-blogs/3094/91877-how-to-screen-a-pmc-better-than-a-tenant-part-1-services-and-processes

Mostly you're going to see that on high end expensive homes, where sellers only allow pre-qualified individuals to tout their homes.  

If a cash out refinance, many lenders will allow the cash out to satisfy the reserves requirement.DSCR lenders generally let you vest either individually or as an LLC.

There were issues syncing the reservation calendar, and it is nearly impossible to reach a customer support representative with Booking.com as an individual STR owner.

If a cash out refinance, many lenders will allow the cash out to satisfy the reserves requirement.DSCR lenders generally let you vest either individually or as an LLC.

Normally, the transfer of a loan from an individual to an LLC will lead to a due on sale clause. 

We are doing 300+ homes so individual LLCs isn't realistic in this scenario. 

It seems like it basically up to you to do the math on how much more you will potentially make selling each unit individually and then deciding if that extra $$$ is worth the number of extra hours you will spend.

I've met plenty of individuals with far more experience than me who have offered referrals, advice and so on but I'm looking for more handholding than is reasonable to ask for someone to provide for free.

The net interest is the sum of the interest incurred in each individual month, so if we can demonstrate that you have no net savings in month 1, it follows that you'll never see a net savings in future months.