Its kind of like treasure hunting for me.

You might get it for $400,000 if you have that much cash, but it likely won't go for $50 or $100.You can read some of your state laws here:https://dor.sd.gov/government/county-treasurers/Don't ever waste your money on a nationwide trainer or a travelling road show in a hotel ballroom. 

Buying property that is in probate using some creative financing optionsOr Buying tax deeds at auctions or treasures office?

The industry found better ways to make pop cans aluminum versus metal, recycling became more common and 35 years later, you don't hear about this anymore.

That's kind of what I was thinking, but I wonder what they'd want for a "walkway" non skid coating would be easy but if they want all railings to code all Along the whole roof then I'll probably be better off doing metal fire escapes on the side windows.  

Pretty much all major components were newly installed / fitted and done to a tasteful standard (new metal roof, plumbing, electrical, kitchen, flooring, bathroom, doors, new hvac, decks, vinyl siding etc) and I have visited and walked through 3 times and even been under crawl space to inspect a repair that was previously noted on an inspection to the foundation after termite treatment which looked to be a good job.

From the Franklin County Treasurer's website..."

My tenant moved out a couple of days ago, and when I walked through the unit, I discovered that he had removed the curtain and curtain rod, detached the room air conditioner, and caused significant scratches on the hardwood floor from the metal bed frame legs.

The best we can do is give you the tools to help analyze deals faster, from there real estate is so subjective and often "one mans trash is another mans treasure" so it's really about getting your brain used to looking at these numbers.

Windows and the bigger metal roof will be the larger part of the cost.