I can't answer the rest, but > Are there even any estimates on how much money is lost due to tax evasion? http://en.wikipedia.org/wiki/Tax_evasion_in_the_Unit

I can't answer the rest, but > Are there even any estimates on how much money is lost due to tax evasion? http://en.wikipedia.org/wiki/Tax_evasion_in_the_United_States#Estimates_of_lost_government_revenue http://en.wikipedia.org/wiki/Tax_evasion_in_the_United_State... Googling also yields some results that ballpark in the same area.