So in my opinion, I think you should simply pick one and study it.

It would work in your favor to have him sign a contract now then breech it rather than not signing a contract and you have to prove in court he’s squatting on your mom’s land without your mom knowing for 5 years.

Accreditation is achieved by either proving the investor has a net worth of $1,000,000 not including primary residence; by proving that the investor has made $200,000 a year over the past 2 years, with a reasonable prediction to make that again this year; or by a letter of accreditation by a CPA, attorney, or other professional.

They tend to study a lot and would be public safety aware (although I have some who would like to get the virus so they can just not have to worry about it; stupid happens everywhere).  

I have no experience in REI, however I have ammassed considerable savings, enough to make an investment in a plex rental property on the island of Montreal, Quebec.I do not yet think I am at the stage of "Analysis Paralysis", as I have only begun reading and studying the topic of Real Estate Investment for less than a month.

I will study storage units more as that seems to be the popular and common consensus here.Thank you.

Even if you could prove up a misrepresentation, you would not so because based on the facts you gave you don't have damages worth trying to recover. 

For example you have renderings, feasibility studies and presentation.

There are actually some decent articles and step by step case studies from people who have resurfaced their garage floors as well:https://www.concretenetwork.com/fix-concrete-cleaning/removing-embedded-oil.htmlhttps://www.bobvila.com/articles/concrete-floor-repair/

I also finished all 3 courses to get my Real Estate license so I'm studying now to pass the state exam.