Well so far it's cost 3000 lives, 20,000 sounded and about 400 billion.
Chances are we will be there at least another 1 and 1/2 years. add another 100 billion or so, 750 US lives, we will 500 billion in debt, 500, billion that will weigh on building new schools, medical research, new technologies, etc... plus the debt all for a "saddam free" Iraq.