Instead, it reduces the seller's net sale proceeds, which may impact the amount required to be reinvested to fully defer capital gains taxes.For the buyer, the credit lowers the property’s basis rather than being deductible as a repair expense.

Very subjective question based on your investment knowledge, home market, investment strategy and requirements. 

The standard rule is $250k per person who legally owns/occupies for the 2/5 year requirement. 

I can't name a single state that requires the disclosure of insurance claims.

Unfortunately NY requires a RE license to wholesale in the state.

How are you handling the new LAIC requirement in Cleveland?

You need an income that meets three requirements:Rents increase faster than inflation to offset constantly rising prices.It must be reliable; it continues even during economic downturns.It must last throughout your lifetime.These are all long-term requirements, so the current interest rates are not the major issue.

The high end is the 20 or so co ops on 5th Avenue or Park Ave (one is on East End Avenue) that require liquid assets of $100 million + to gain board approval.  

I'd start by giving all residents the required notice (usually 24 hours) and go inspect the units as quickly as you can. 

This requires vetting their claims by reviewing EDGAR filings, property records, court records, Secretary of State filings and communicating with those who know more like city government, a more experienced investor, etc.