Earlier quoted context omitted.
This has a flipside though. If you do manage to find success (and say, own a profitable business or have an exit), you'll be taxed into oblivion. It might not be the popular opinion on HN, but I would hate that. Make sure to structure things properly from the beginning so that you can leave when appropriate.
I guess it might slow you down from getting surpr super rich, but in the end it's surely worth it.
It's one thing to pay on gains you make after you've gotten rich, i.e. if you're making 5% a year on €10m, than on the initial capital you're building up.