Their wealth is likely highly concentrated in a single asset that is levered many multiples of their annual income.

Diet, exercise and overall health play factors as well. 

Buck (Fictional story about a Chinese peasant that becomes wealthy buying land) Had to read this one in high school.

They aren’t meant to teach people to become wealthy.

I drive that to the rentals and it certainly doesn't make me look wealthy. 

So I would be looking for someone bright, experienced, and honest as a PM to work with minimal oversight and overhead as they sell a wealthy man a luxury.

I recommend you read "The Millionaire Next Door" to see what real wealthy people look like.

RDPD is more about the general differences in how the wealthy think about money vs the poor and middle class.

In my opinion too many people get into real estate not because they think it's the most effective way to become wealthy, but because they watched too much HGTV and think they can become overnight millionaires.

Example would be what % of people's wealth is typically in real estate, a way to view national and local property values dating back to when they started tracking,