@Steve Bruza - your post brings into discussion multiple aspects - asset protection, property management, financing, mortgages, transfers, DOS, accounting, taxation, corporate maintenance, veil, estate planning, insurance - all with their individual complexities and interconnected dependencies and intricacies.

Last October, we discovered that they had disabled and destroyed the brand new wireless interconnected smoke detectors we had installed in their unit within a multifamily, without, of course, informing us that there was any problem with the smoke detectors. 

I don't know if they would impose a requirement for a full sprinkler system, but I would expect interconnected smokes at minimum.

A deal being a good deal, has a lot of interconnected items.Also no matter how much education you will go after, most of this you learn doing it.Get in touch with an awesome investor and shadow him.

If they are all interconnected, everyone gets to enjoy the squealing beeps from one inconsiderate resident.I recently replaced all the smoke detectors in our house, which our wired and interconnected. 

I personally had to wire the entire house with interconnected fire alarms and do some things related to insulation, window heights, handrail heights, have access to the ADU from my part of the building, etc. to bring it up to their standards.

So I view those as interconnected concerns.Bad debt is much more specific to your property and area.Depending on your area and property class, I'd get nervous to underwrite anything less than 10% economic vacancy (physical + other).

Other towns nearby only require it for a 3rd floor apartment occupancy.They did allow me to design & install the entire system complete with inter connected smoke/CO detectors.

Big house & did it in 1 weekend, but I was much younger.We have also discovered that any galv/iron pipes (as drain or venting) that interconnect to the sewer seem to create a weak corrosion spot at or around the interface to the sewer pipe.good luck its a great experience.

It seems to me like many of the niches are interconnected, and have a feeling that I'll eventually explore quite a few of them.