It depends on what you consider viable, and your level.
As someone in love with fountain pens and ink, I can tell you that there are absolutely wealthy pen turners, private designers, and the same with watches.
As someone in love with fountain pens and ink, I can tell you that there are absolutely wealthy pen turners, private designers, and the same with watches.
I don't have the socials, so I don't see things like what you mentioned.