I'd think it's more reasonable to have a screening process to review initial application, and if applicant satisfies initial criteria, then they will incur charge for background and credit check.

I would not be satisfied I knew exactly what I was doing in another geographical area just because I got it down where I am currently transacting.

Now you want to complicate things by putting up a fence to satisfy your fears yet blocking his views.The previous owner alerted you to a possible problem with neighbors yet you went ahead and purchased property.

I could see it having an advantage over others.Finally you can build it with durable materials like quality LVP flooring or tile throughout.

Kind of cleared the drain line, but he wasn't satisfied, said it didn't "feel" right pulling the snake back.  

From a court perspective they are the plaintiff and the court is conducting the auction to satisfy the judgement in the case (so the court is the auctioneer) .  

After living in the house for a year to satisfy the primary residence lending requirement, we move out and rent the entire house to start cash flowing.

If you intend to keep it as an MTR you're going to have to adjust either the product itself (make it more durable and priced accordingly for your oil field workers IF they want the type of property you're offering) or find another customer type to market it to like insurance placements, families relocating or corporate rentals.

And, as others have said you'd,  have to have either a partner who was satisfied with a considerably lower return than would be available investing on their own or you'd have to be finding off-the -charts-good deals. 

Plus if you are wired in a way that allows you to build a portfolio (you are a hustler) you will not be satisfied being retired, but rather look for a new "job" you enjoy - might as well start with that!