Elon Musk says taking a Mars trip should cost the same as buying a house

One day many, many years from now, Elon Musk believes the cost of taking a trip to Mars will be about the same as buying a house. During today's keynote, the SpaceX CEO said that visiting Mars should be equal to the median cost of a home in the United States, which is around $200,000. Musk said that reaching such a price through the use of "traditional methods" for space travel would be impossible. Using those established means, it would be closer to $10 billion per person, which is completely o