Cash out 401k and buy bitcoin?

Hi folks.

I'd like to get the opinions of the experts in here. I'm considering cashing out my 401k, taking the penalty, converting what remains into bitcoin and moving to cold storage. I don't know enough about Bitcoin IRA's, but if I can't self custody my private key, I don't think I'm interested. Not my keys, not my coins. I simply do not trust this financial system in any way, shape, or form to look after my long term well being. I want to be my own bank and my own custodian.

What's your opinions, good people?

Thanks!

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Edit: currently looking into unchained for self custody BTC IRA solutions.