The original Bitcoin zealots I knew were banking (no pun intended) on a total collapse of society and banking systems as one of their selling points.  

If prices collapse, miners lose incentive.

Keep in mind that US cities are more dangerous that taking a vacation in the Riviera Maya.In my mind, the biggest risk to tourism in the region would be ecosystem collapse.

The more his students buy/sell, the more money Pace makes.I believe the entire thing is a house of cards that will collapse when the market turns.

Interest on a HELOC is adjustable, if interest rates rise you are screwed.For you folks that weren't in real estate in 2003-2006 and when the market started collapsing in 2007.

The plaster shows mildew, and because it holds so much moisture, he has recommended taking down the damp plaster before the weight of it collapses.  

I’ve gotten by with just cleaning the roots out annually at a few of our properties with clay pipes, and just replacing sections of collapsed pipes at others and the highest I’ve paid was $10k for replacing a ~30 foot section of collapsed orangeburg (that stuff is the worst).

Make sure it's permitted, warranted, approved by the HOA, and all that other jazz.I wonder how long it will be before the electrical grid collapses.

Treasuries will go "no bid" and there will be a collapse of confidence in both (i) the U.S. dollar, and (ii) U.S. treasury debt instruments [bills / bonds / etc].When this financial inflection point comes, you do not want to own assets who's values are directly tied and leveraged to the yield on U.S. treasury debt instruments (specifically commercial real estate where most market participants are max leveraged).

It was a time period marked by social upheaval, political instability, the collapse of the feudal system and near-constant military conflict.