I think most people did not know the tulip market collapsed right after futures were introduced.  

You bring up a good point that in real downturns like '07-'09, a lot of things collapsed including the closing of lines of credit.

What it refers to is the collapse of underground mines and the hour glass effect it causes on the surface.

It will take only a few quarter point rise in the prime rate, or one major Fund collapse, and I can see it all coming down.

The city should not rely on one industry for fear of a collapse if that industry becomes automated or goes away like in Detroit with the auto industry.

We also were in the midst of the collapse and that put us in a tight position with multiple spec homes on the market.

Such as clogging the sinks (hair and grease) and letting the shower and sinks overflow to the point where the ceiling in bathroom on in the unit below collapsed from all of the water. 

You never want other debts, student loans, credit cards, car payments etc. to be the ultimate cause of your investment collapse. 

The roof has several holes in it, old water damage with large spots of rotted wood, and several boards completely collapsed in the roof and the gutter is sagging among some of the highlights. 

That rowhome may collapse for all you know, or need to be bulldozed, and there's no way you can really know before you buy.Mike, you're crazy.