Long article, but the premise is simple: The wealthy know that a crash is coming. When the super rich are buying secure vaults, buying precious metals, and hoarding cash when the stock market is at an all time high, you know something is not right in our economy.
http://www.zerohedge.com/news/2017-07-25/elites-are-privately-warning-about-crash
Of course, you won't see this type of story in the MSM because it doesn't fit with their agenda. I hope everyone prepares for this the best they can because it will be ugly.