I have gutted bathrooms to the sub-floors, knocked out walls, installed wood flooring and tile, plumbing, and electrical.

Too much competition in the Class A space and too hard and expensive to try and take a C or D to A without knocking it down or gutting inside and out.  

I decided to knock on the door to see if the owner would entertain a quick showing.

He literally door knocks and has bought 95% of them seller financed at marginal rate.

@John Morgan Not to knock your style at all, but have you thought about having twice as many rentals instead of having rentals paid off?

That would be a good place.They may not know its a neighbor knocking on their door. 

I have one inherited tenant that was a bit of a learning curve because he speaks zero english and has never paid not cash before and I certainly didn't want to be knocking on doors- but once we got into our groove and I opened a local bank account he just deposits the money in zero problems and actually is one of my favorites.My other two tenants I used my realtor and I was SO picky.

That way your new neighbor won't know that you're the owner and will be less likely to knock and ask for things to be worked on.

My realtor/property manager already had a team in place to knock out most of the list within the first week!

You will likely be closer to 5%I don't think this deal knocks it out of the park but it is probably a reasonable deal.