Tom, BryanAnother aspect is that the "numbers" are not static ... they change in both directions ... for the good and the bad.A major employer in the area could go bankrupt or just move to another state or country ...

Here's a story today about unfunded pensions in other big cities:http://www.freep.com/article/20130721/NEWS06/307210073/Looks like Detroit will be the first of many, many big cities to go bankrupt.

The Colorado development company quickly went bankrupt.

It allows you to learn by playing and when you make a mistake or goes bankrupt, at least it's not in real life.More than the investment of money to buy the game, to really benefit from it, you need to invest the time.

Just as they paid it off, the property group went bankrupt.

Unfortunately the professionals bought up as much as they could and bankrupt their portfolio a couple of years later. 

. :) ), but not trying to bankrupt yourself doing it.  

Some of the posts I have seen give the impression that I will go bankrupt if I don't meet the 2% rule.

I would dare say 1,000s of investors were doing exactly what you are talking about right before the last bubble and many many of them went bankrupt or belly up. 

They were about to go bankrupt.