From http://everything2.com/title/Costs+of+launching+to+orbit http://everything2.com/title/Costs+of+launching+to+orbit Therefore if we can get to the point whe

From http://everything2.com/title/Costs+of+launching+to+orbit http://everything2.com/title/Costs+of+launching+to+orbit Therefore if we can get to the point where the fuel is the only thing we need to use up, a 140 lb (70kg) person can get launched for just a few tens of thousand of dollars- hardly any more than the cost of an airflight; a little bit more than a supersonic airflight.