As you become tax resident in many countries after say 185 days in a year, many rotate between 2-3 countries until they know what they want.
"If you've made it in trading (10+ million)..." For me, that's it, there is no further action needed, no further gains to be had. 10 million. If you had 10 million free and clear in the bank, would that not be enough? What more do you need? Nothing. You do not NEED anything beyond that. If you feel you do, then you need a dog who needs it too.
Urban story: Journalist is sitting next to a hedge fund manager at an industry dinner. She says to him, “why do you keep doing this? If I had a hundred million dollars, I would retire.” Hedge fund manager replies, “that’s why you will never have a hundred million dollars.”