I am curious about his niche and industry LOL. I love talking with those kind of people.

IIRC it is about green financing and SDG that support other companies who are solving social problems and green technologies.

Can we grow enough in this kind of setup? I mean, on the financial side of success.

Well, he proved that it is possible and in fact, he is still working full-time but remotely.

But there's a caveat on switching to a particular lifestyle. One can't simply switch without a concrete plan especially if you want to preserve your career and financial growth.