How much does it cost to die?

Depends on where you do it:

Differences in the last six months of life were even more striking. Medicare spent an average of $52,911 for U.C.L.A. patients and $28,763 for those who used the Mayo hospital, St. Marys. ...

"Some chronically ill and dying Americans are receiving too much care -- more than they and their families actually want or benefit from," Dr. Wennberg said. "Contrary to popular assumptions, it's the volume of services, not the price per service, that accounts for most of the variation in Medicare spending."