I also use them during vacancy turnovers since those turnovers are fully automated, self-serve showings, but you have to have a way to ensure batteries get swapped out regularly, then run a separate cellular network to push updates to the locks over time, which is a another added cost.

@Bernard SangaStandard/itemized deduction are separate than deductions are they relate to your investment property.If you brought an investment property - you should interview your accountant if he is familiar with tax laws as they pertain to real estate.

Do i need to apply for a separate loan for the rehab? 

Well, Im not sure you can both buy a house with the FTB setup unless you are an owner occupant on both properties (living Separately).

I am totally guessing, but I bet that there are not separate utilities for each apartment so the landlord would be paying for all the electrical, water and heating costs. 

., an entity that has its own accounts and files for tax separately).

Now I’m not saying Detroit doesn’t have its own separate set of pitfalls as do many cities and some can even be devastating to a novice or even an experienced investor but with a large and awesome boots on the ground team or army the city becomes your oyster.

Possibly higher if you find something that allows for 2 separate living spaces. 

Now if the city charged someone for negligence or another legal misdealing, I imagine that would be public record.If it were me as the cop, I'd be certain I was getting my resources from a public arena and not "using my position" to get deals... keeping the side hustle completely separate from the "day job".  

They sell units that can be mounted outside and do not need to be separately vented.