You may be able to turn one of those into a secondary stream of income, which could lessen the blow, as you -- as you work on the other side.

CNN: Transcript of June 'CNN Money Summit: Money & Main St.'

As a secondary revenue stream, Golden Spike also intends to make money from media licensing on each trip.

FORBES: Golden Spike Aims To Take The World To The Moon - For $750M Per Ticket

And I began on that road a number of years ago, and it actually became a secondary income stream.

CNN: Transcript of June 'CNN Money Summit: Money & Main St.'