You don't. If you're a multi-billionaire you can spend the rest of your life wasting millions a year on super-expensive toys and prestige houses and whatever else you feel like amusing yourself with, and you're not going to run out.
The irony is that this kind of gameified wealth chasing is itself paper-pushing makework. At best it's a financial version of Minecraft - building a pointless but showy thing just to prove you can - with the markets as the gaming environment.
WeWork, WagLabs, and most VC investments contribute absolutely nothing of value to the world. If they didn't exist, no one would even notice their absence.
Meanwhile real problems - climate change, political stability, creating a dynamic culture of scientific innovation and creativity - go unaddressed.