Do you realize most 401(k) and IRA accounts in the US are all invested securities (like equities and bonds)? Similarly, most wealthy people invest their money in general?

Also, I didn’t pull the 4% out of a hat. It’s actually the “Safe Withdrawal Rate[a]” recommended by Mr. Money Mustache. See his blog posts on it: https://www.mrmoneymustache.com/2012/05/29/how-much-do-i-nee...

Also, see: https://www.mrmoneymustache.com/2018/11/29/how-to-retire-for...

[a] Bogleheads article on Safe withdrawal rates: https://www.bogleheads.org/wiki/Safe_withdrawal_rates