We won’t live long enough to see it, but I suspect Mars and beyond will not be simply a destination for rich vacationers.
That is, unless we discover some sort of unlimited and cheap power source as well as tech that allows instantaneous travel between any points in the universe.
Frankly, I also don’t think the Lord will wait that long. As much as I’m fascinated by modern tech, I think it will be our undoing, and in short order. I think we’re even seeing the beginning stages of it.
Stay tuned.