As someone who is merely beginning their journey in the world of real estate, I am curious, for someone who has experience, what do you believe are the foundations of a great partnership, and what is the best way to structure them? 

If it is an apartment, they are usually in charge of windows as it is part of the shell of the building and they all need to be the same and meet certain requirements.

Here's a great article that addresses this from @Kim Lisa TaylorThe main benefit that I've seen folks go for by using LLCs to invest passively is the additional layer of privacy that doing so can offer, if properly structured.

But, if anything, I am trying to use this as an exercise to see if I should have even tried to get this.Assuming the building structure is good and the roof just needs to be resealed, I am just curious what your thoughts are?

I understand it depends alot on the structure of the house, but I’d appreciate estimates.I would appreciate especially any input with experience in NY. 

I'm getting a structural inspection next week but I'm pretty sure I know how it will go.

Did you get a structural engineer to check the basement walls?

My ownership structure is nowhere near as complicated as yours.

My current inspector is more of a residential and is fine for smaller structures, however I think his pricing is a little off for bigger number of units inspections.

Syndications are usually structured so that the deprecation passes through to each investor’s personal tax filings.