A tenant failed to pay a rent in Jan, and since then all our collection efforts were failed (he made all the executed, promises were broken and phone called were ignored etc.).  

You labor will not cost you any cash, so you can ignore labor.  

On the hand, 550 score with clean credit history tell lenders that though the number is not good but borrower is strong, just because he/she( especially investor) is not flying to bankruptcy court to trash his/her debts or ignoring his or her liability(monthly payments).You seem to have great credit history with no default or lateness.   

@Chris Martin you'll have to excuse my ignorance, I was too busy googling "hypothecation" to understand that you were getting at the same thing lol.

So thankful for the EB5 Program even with the Dec 2016 higher fees -- TRUMP (sorry to say i boycotted / ignored the whole election this year)will not be changing the program-- he is a business man and certainly PRO-Real Estate and PRO-Job Creation.Anyone interested in a green card and being a part of the USA should look into EB5.  

The goal would be to create a book that is so impressive that it can't be ignored by a seller.

I currently have no experience with real estate, this doesn't mean I am completely ignorant of the real estate business though as I have been using just about every moment I get to be able to learn more and more about the possibilities that can be achieved through real estate.

However, once they know you've asked you can't plead ignorance down the line.  

The goal would be to create a book that is so impressive that it can't be ignored by a seller.

@Scott Trench - I would say that part of my thought on why SFR's would be easier to sell is in large part due to my own ignorance of the commercial real estate space.