Then 8 weeks letter, denied for "less than 6 months ownership" and zero communication from the loan officer.

Communication is key, especially with Tenant's because 9 times out of 10 they do not want to take responsibility for their discrepancies unless it's laid out for them and you have some sort of proof.  

I would make sure you are keeping a line of communication with them and giving them a list of what your insurance as well as any local codes will allow. 

Experienced investors can provide invaluable firsthand accounts of their experience with various projects and sponsors.Find other investors through online forums like BiggerPockets, local networking events, or by asking sponsors if they’ll connect you to their current investors.Review Previous DealsFinding comfort with financial projections, summary data, and investment lingo may feel overwhelming.As you review more investment summaries, you’ll start to understand the flow of the deal packages, how each sponsor communicates, and exactly which investments interest you.Take Your TimeEach new investment opportunity fills up quickly.

That being said even though I was nervous, I did raise the rents a bit with no hassle and great communication, and it felt like a big step for me in self managing my rental.

He has not being paying the December rent, and not being communicating with me either.

The seller is open to financing but the agent really isn't allowing that communication to happen to find out what they are willing to do.

Professionalism, making sure they are communicable and responsive is a major key2.

Tell them how you want to have good communication together, and if they are having a hardship, maybe you can work something out.

Use this number mostly to fill forms, but be clear with people that you are overseas and most of your communication will be through email ("are you comfortable with that?")