[from occupied ga]

What we build there.

In other words going there will pay for itself by our going there which will pay for itself etc. Sorry does not compute.

The cost of geting anything out of Earth’s gravity well is huge

At least you understand that part of it. The rest of your answer makes no sense

[mrsmith]

Killing your babies so you can stay on Earth makes no sense to me.
‘Different strokes...’ as they say.