The 'Greater Fool Theory' seems to be the main one. No matter how silly it is to buy something that is overpriced, it's practically certain that a 'greater fool

The 'Greater Fool Theory' seems to be the main one. No matter how silly it is to buy something that is overpriced, it's practically certain that a 'greater fool' will come along and buy it from you. You profit. https://www.wisegeek.com/what-is-the-greater-fool-theory.htm#didyouknowout https://www.wisegeek.com/what-is-the-greater-fool-theory.htm...