Here are some more:- What is included in rent (are you paying utilities and yard care or is the tenant)- Vacancy rate (Is the area desirable and tenant base stable or are you going to be re-renting every six months)- Age and condition of property which affects capex (are all the mechanicals new or are you facing major expense like a roof or furnace)- Expected appreciation (will you be able to sell it quick for a profit in 10 years or will you have trouble giving it away, which is a real problem in some areas)- Financing terms (owner financing or bank, money down required, interest rate)- General class of the property (in general C or D class tenants are way harder on a property and invite more problems than A or B class, which affects your operating expenses)

Submit drawings for permit.The issue might be as simple as the city needing to have drawings on file for the project to show the existing electrical, mechanical, and structural systems.

Although, over emphasis on entity formation to protect assets that you don't yet own is a bit of a roadbloack. 

Without design calcs from mechanical engineer or an hvac company I would not honor his request without proof. 

Without checking the comps yet, I'm inclined to believe it will since the building has had 98%+ occupancy for the recent history , similar to local occupancy rates, and the mechanicals and building envelope have all recently been updated, I believe there's some room for increases with some cosmetic updates. 

Correct me on this if inam wrong.Setup a schedule of payment.1000 depost.Next payment  could be after electrical as been signed off.Plumbing and mechanical been sign off.Another payment could be after rough framing is signed off.Finally make thw last payment after the building final has been sign off and you got a CO

Mostly major mechanics.

Sorry for being long winded, in my opinion the mechanics of a successful house hack happen when being very calculated at the point of purchasesing.

Instead, the implication is just the opposite because there's always an emphasis that it will not affect credit scores.https://www.transunion.com/blog/credit-advice/managing-credit-through-financial-hardship

I'm an apt broker in Portland and talk with owners a lot and the mechanics of their properties.