I don't know if I'm rich (actually decidedly not), but I freelance and save a large proportion of my income, and when I'm not working on client projects I just

I don't know if I'm rich (actually decidedly not), but I freelance and save a large proportion of my income, and when I'm not working on client projects I just work on my own, which can be for weeks at a time. My day pretty much looks the same whether I'm working for a client or myself, but with way less emails/Slack/whatever taking me out of flow. It's a very enjoyable way to pass the time.