If you have a basic understanding of Excel and can use Yelp to find honest workers, you can manage 5-10 units by yourself in a couple of hours per month. 

I do know that very few municipalities won't require egress and life safety considerations.

Basically the outskirts of main cities.

You'll definitely want to prepare a "Schedule of Experience", which is basically a spreadsheet showing the deals you've done over the last 36 months or so.

So my immediate plan was to try to rent this house as a medium-term, furnished rental (basically leaving all my stuff here, taking a few select things) and moving in with her for a few months to kill a few birds with one stone - MTR income, not having to pay for a storage unit for my stuff, saving up more money for a down payment, and caring for my mother.

So I don't follow CO STR stuff other than basic reading posts here and some other places as well.I hear you that we are talking about primary residence STRs but that can change just as fast as non occupied IMHO.

They will normally charge you for desk space, using their printer, support from them and their office staff, Etc....Then there are MLS fees, Lock Box fees, Continuing Education costs, and the basic costs of running your own business.

As a PM with 65 units, ours are basically identical to that

They would pay us, the management company a small non-refundable annual fee that is basically a third of their traditional deposit.

Granted MFH are more common in rougher parts of central jersey and my purchasing power can't acquire me something in North Jersey here homes are much more desirable when it comes to appreciation and schools and safety.