I believe New York is attorney state, so we have to use attorney to do double closing and assignment deals, correct?

And correct, it's a DMV matter.2021 Clayton.  

Then after settled move into other projects each year to pay down debt.also, from FHA one to two on our duplex we would need to refinance out of that loan, correct?

I guess the question would be something about how portfolios are treated during financing or maybe I'm not seeing it from the correct perspective.

You need to do the ethical thing and inform this person that your not of the correct knowledge or skill level to best represent this transaction. 

At the end of the day, neither are effective without understand how they work and their limitations but if used correctly they can be used in conjunction with one another.

You are experiencing what many fall victim to in the DSCR world when certain loan officers or banks try and broker DSCR loans when they are not well versed.A DSCR loan has to be underwritten up front by the Banker or Loan officer and many fail to run the numbers correctly or at all.

You are saying I should ask for the seller to carry 80% seller finance and then I make payments to him with 5% interest for a period of time until I pay it off correct?

When someone writes a contract and a section is ambiguous of unenforceable because that section is improper, I believe that section legally is supposed to be interpreted in favor of the party that did not write the document (the tenant).So, if I am correct, that document may not be doing you any good to you at all because of that.

Your agent is the one who will make sure the punch list is done and that the warranties are correct.