I generally agree with both Musk and Robert Zubrin that a positive future for humanity will require human expansion into space.

If you’re the cheapest way to get big things into space I don’t see how making money would be a problem.

we can't stay on Earth forever

Delivering payload to orbit is in high demand. Also, it’s a fully and rapidly reusable rocket so it will decrease the cost of payload to orbit by several orders of magnitude. They’ve made a lot of decisions to cut costs including using stainless steel instead of an expensive alloy and using meth...