[markovian]

By "bootstrap" I mean a way of self-financing part of the activities, finding a source of income quickly rather than relying solely on fundraising.

Raising money is not a problem, but I don't see myself getting involved in creating a business that requires billions and billions of dollars in financing before generating a single cent.

[greglindahl]

There are quite a few examples of space companies that meet that definition, have you looked at them?

[malux85]

It would be helpful if you named them