Your tax estimate seems low. Remember that on top of federal tax, there's California income tax, which could hit 10% if you're single[1] (assuming most Google and Facebook employees are in California), plus real estate tax if you own a house. If you have significant income/gains from your investments, that could push you into a higher tax bracket. Also, your monthly expenses could be significantly higher if you have…
Re: Ask HN: Net worth of software engineer at retirement?
#21S&P 500 actually returned 10% between 1988 and 2018. If you invested $10K in S&P 500 in 1988 it would be worth $205K today. If you use a compound interest calculator you can see this corresponds to 10% growth per year.