He’s obviously not motivated by friendship, loyalty, reputation, fairness, morals or ethics.  

I've been following the discussions here and have found the insights incredibly valuable.

The BiggerPockets community is here to support you, and many of us have been in your shoes.Finding a Mentor:Finding a mentor can be incredibly beneficial, especially as you navigate these early stages.

The VA loan is the greatest loan product available and can be an incredible way to start your RE journey (that is what I did personally). 

I recommend you talk to the seller, find out what his motivation is, and then see if you can negotiate something that fits his needs and yours. 

Too often in these firms, the CPA who signs off on your tax return does not have the time or the motivation to check the work of the people to whom he delegates.

They’re incredible tenants and the husband is a plumber so maybe they just don’t complain though.

3) How do I connect motivated buyers with motivated sellers?

"I've been looking at some incredible real estate deals.

The property is ~75% occupied, so it wouldn't qualify for agency programs.The seller is extremely motivated and may even consider seller financing her equity.