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Wealth held quietly (off the grid, in BTC, in gold, perhaps quietly in some foreign countries <--- use your imaginations) may partly shield you in the event that a "Wealth Tax" comes around.
A Wealth Tax is a job killer. Socialism run amok. I hope that our Dear Leaders do not take us down that road to Hell.
Socialism for the rich already run amok.
Taking back part of the money stolen via taxation is inefficient, should just let them take a haircut.