Title text:
It does come at the cost of some launchpad expansions and increased fuel requirements, but that all comes out of the facility’s budget.
Transcript:
Transcript will show once it’s been added to explainxkcd.com
Source: https://xkcd.com/3291/
I don’t know why you got downvoted for what seems like a reasonable question. I think it might be the lateral nature of the solution that is comparable.