Since domain expansions are a personification of oneself, I have a feeling that Saitama’s domain expansion would just turn you into a worthy opponent for him, and would actually help you
No, I don't make any money from it. You cannot participate in the RU-vid partner program with compilations because you use edits or videos from others and it is not your "work.". Theoretically, you can get offers from third parties. But these offers are mostly pointless.