Carol Loomis

Over and over again, financial experts and wonkish talking heads endeavor to explain these mysterious, 'toxic' financial instruments to us lay folk. Over and over, they ignobly fail, because we all know that no one understands credit default obligations and derivatives, except perhaps Mr. Buffett and the computers who created them.

Dealers always like to sell chairs in sets of four, six, or eight. And they charge a premium for supplying the whole set. Individual chairs, though, go for much lower prices, and if you carry around a reference photo of the chairs you want, you may be able to build up a cut-price collection, chair by chair.