He helped my husband and I buy our first investment property last year.

And as @Wale Lawal has mentioned that everyone will have their own "BUY BOX" (just learned what that was last week).

You shouldn't do the PMs job, you are paying them, but as the first time working together I would use it as an opportunity to learn and establish the relationship.

Or are you most interested in long term rentals (thinking about jobs that a property manager might hire for)?

I have been listening to the bigger pockets podcasts for a very long time and have been in analysis paralysis for years.

The prior owner, a mentally-challenged man, had died in 2018 while in long term care. 

We were about to close on a refi locking in a 2.5% 30 year fixed and pulled the plug at the last minute to switch to the All in One, but the lender pretty much told me why I was making a poor choice, so this is very affirming.

Usually, long term speaking, it is best to keep as much property as you can and avoid selling (of course you must be making some sort of cash flow and not underwater)Good luck

Why do you think purchase contracts are so long and have such small print?

Evicting the tenants and moving in to perform repairs myself while I explore Detroit, as I have never been there before, but this process might take a long time.I would appreciate any advice or insights on how to proceed.