That gives you a professionals opinion with proof to take to the sellers.

The more you give to others, the more you'll start to receive.

My goal is to send out 5-10 letters a week, depending on what I find.Yesterday I received my first response from a letter I sent out.

I will be managing it from CA, probably with the help of a professional management co.

I've received all interest payments, though I just checked and it's reporting that the payment for February wasn't received as expected on the 15th, and they are in contact with the borrower. 

You will receive a higher cash on cash return and more importantly, this allow you to keep some money to invest in future properties faster.  

Professionals with decades of experience and very impressive track records do all the heavy lifting for you.

It's all part of being a responsible REI professional.

He has at least acknowledged the receipt of the letter by saying "I received the letter and have been advised of my rights".

That would give clarity to the situation at least as it concerns code violations, unapproved/permitted improvements and what will need to be done.I purchased a property in Pennsylvania with code violations and received a temporary U&O that allowed repairs, but not residential occupation.