(not a downvoter) Since it is mostly about transfering bits and wasting some time on the equipment it is not a big cost at all. Saving 0.0001% in the next trave

(not a downvoter) Since it is mostly about transfering bits and wasting some time on the equipment it is not a big cost at all. Saving 0.0001% in the next travel to mars and they probably have covered the next 10 billion birhtdays.