I'm just in awe at this kind of stuff.I investigated a lot of fraud when I was a cop and would be dumbfounded by what people fall for.

If I was younger and really looking to expand this would be an avenue to investigate.

Investigate government programs such as HUD, USDA, and FHA loans, select investment techniques such as house hacking, turnkey homes, or purchase and hold, and assess properties using tools such as Grants.gov, HUD.gov, and BiggerPockets.Good luck!

I would strongly encourage you to investigate long-term rents.

A DIY way of starting your investigation is visit the building department and see if they have any records for the property on file.

This is a great place to learn and further investigate investing in real estate.

Water issues can spiral into a serious of investigations to figure out where it's coming from.

. - investigate use of 3d printing in development.  

Why do you think the SEC is investigating this if it was all perfectly legitimate?

I did not investigate further.