No problem, you'll really want to know since I ran into a couple of big ones.   

My view is the rules should be consistently enforced.adu-fact-sheet.pdfProperty Type / Eligible Properties • One ADU is allowed on 1-, 2- and 3-unit properties. • An ADU on a 1-, 2- or 3-unit property must comply with the zoning and land-use requirements in the jurisdiction in which it is located.

I think one important note that I omitted from my original post was some background info.

Just have one LLC for all your properties for the most simple/easiest way to buy investments (not an attorney and not legal advice). 

Not only would it decrease your monthly mortgage but you'd be able to get into it with a very little down payment since you'd be living in one side of it. 

Hello everyone, I now live in Manhattan and own one rental property here.

I did out live the one I exchanged and one reason why I did an exchange.  

I know you can do one per but that would be a hassle if you scaled your business.

It would be a very expensive pet in one of my rentals - so much so that the tenant would decide it wasn't worth it or go somewhere else. 

There’s usually not more than one investor with interest in any parcel so there’s is absolutely no incentive for the investor to pay a “wholesaler’s fee” in this scenario.In the scenario where the land is ready for development, and the economic conditions make development a profitable activity, the land owner has already been approached by the developer or multiple parties with offers to purchase.