I am for sure shifting my focus back to looking at properties in Rockland,Orange or Putnam as it seems to be the common census.

On the house hack, you can divide common expenses by square footage or bedrooms, whichever is more advantageous. 

It is quite common for a state's definition of habitability to include at least a stove.

One just uses the tried and true wholesaling methods and each geographical area will have its unique ways of doing this.With a lot of land deals starting with tax sales. this is common in CA AZ etc etc. currently I am funding deals in WA ID MT CO AZ TX FLA and then some other states.

To make the job flow easier, but also (mainly) to protect myself if a customer changed their mind later ( which was common).

Tenant must prove the following:1) they are unemployed2) if unemployed, they must show their unemployment insurance statements and small business protection statements (because a lot of them are getting more money in unemployment and some also get the small business protection paychecks from their employers)3) if so, they must pay 50% in rent each month or should get kicked out within a month; heck 50% of unemployment check should go directly to the landlord or mortgage company so don't let the tenant be the one to decide if they want to pay out or not4) but with the money, they should voluntarily move into a smaller, cheaper part of town instead of staying put (common sense is that when you lose your job, you send out resumes looking for another job while collecting unemployment and also looking to move and downsize to a smaller, cheaper place); you don't stay put and be a squatter5) they must show their bank statements (checking, savings, retirement accounts, etc.); any money they have in there must go towards paying 50% of rent as well6) if they are short on all the above, they must move in with family / relative / brother / sister / parent, etc.7) the only situation when they have a right to be a squatter is when they can prove that they will be homeless if evicted and have no one to turn to and no money in the bank (but whoever gets to this situation is a lousy manager of money and don't know how to live within their means while employed)

What's common practice?

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@Raj Vardhan, in my limited experiences, 6 or 12 month seasoning is common if you want to borrow based on new appraised value.  

What is common and what people expect and by people I mean the people who would live in that finished unit not the peanut gallery.