My Fidelity 401(k) had an S&P 500 index fund. Expense ratio was something like 1.2%. Yes, you can get those for 0.06% as an ETF. Yes, the extra 1% is probably

My Fidelity 401(k) had an S&P 500 index fund. Expense ratio was something like 1.2%. Yes, you can get those for 0.06% as an ETF. Yes, the extra 1% is probably substantially yacht money.