Doesn't matter the strategy, location, or unit count.

Could the argument be made that he had the experience because of the business he ran?...

Have you thought about different strategies / properties you are intersted in?

I really like the  appreciation vs. cash flow article here, but also not sure where to look for things like where businesses are moving to and types of jobs in the area written in the same way as that article.

This is all assuming you should use my favored strategy of holding property and using cash-out proceeds to purchase your next one.

Otherwise I have a growing network of Realtors across the country that specialize in this lucrative cash flowing strategy! 

A bit strange, I thought about this a bit and I didn't know if this could be signs of a sketchy scenario or if it was none of my business (besides the non-existent damage to the doors/ windows).

You are using as a single family residence (not business use).

Type of property, your strategy, location, etc...

Title companies often have a business development person that goes after real estate investors, offering foreclosure lists as an incentive.