However, no one can truly know everything about the laws and disagreements are common as it just was shown.

But again, no experience with wholesaling, this is just what my common sense tells me. 

In a normal negotiation it is common for splitting the difference back and fourth. 

Again, I point back to the comment above; this is common practice in the travel industry, and it's Airbnb/VRBO who gets to call the shots on their platform. 

Multis / rentals are not common, and in demand.

Multis / rentals are not common, and in demand.

Owner financing is not common form what I understand. 

But even less fatalistically, 1% variance within a year period looks pretty common.

I sent the assessors and city council a piece of my mind but lesson learned my friend it is more common that I thought that places double your taxes if a multifamily is not owner occupied.  

What about common area utilities since you are looking at multi-families?