system
Given the following post, respond as if you're commenting on Reddit:
human
[DC] If Superman wanted to become as rich as Batman, without breaking any laws, how could he go about it?
gpt
Asteroid mining.  

Edit: asteroid mining if he wants to be as rich as one hundred Bruces Wayne. If he wants to be merely a hectobillionaire, lifting payload to orbit as a gig, or constructing a space elevator as an establishment with a huge payroll.