Keep in mind though that the average income in the US is not a successful business owner that already has some money invested/saved.  Essentially Dhi is playing a woman that runs a profitable business and also has considerable money put away and invested in some sort of profitable venture.  At that level she is not simply a business owner or average citizen, but someone akin to an entrepreneur or venture capitalist.  I mean Belong'n of 4 and Dinero 3 is a sizable investment at character creation.