Methane is pretty cheap, fuel should not be so expensive. Starship is made from cheap steal and should be less then $100M to produce. If you put people in seat

Methane is pretty cheap, fuel should not be so expensive. Starship is made from cheap steal and should be less then $100M to produce. If you put people in seats, and not spaced out for going to Mars, you should get more then 100 people in on.