A consolidation play looks like an easy winner in the private equity world. Roll up a number of companies in the same industry and you've got scale and pricing power, among other good things. There's just one problem -- such plays are really hard to pull off. Due diligence is the key, the more thorough the better. But even then, surprises can lurk and assumptions can prove wrong.
For more on this class session, see: http://knowledge.wharton.upenn.edu/pe/class-05.cfm