This question appears to be related.
My company has a 401(k) with high expense ratios (I recall 0.84% for an S&P 500 index, but I'd have to double-check) and no company match, so I opted to open a Roth IRA, which I'm maxing out. However, I still want to save more money for retirement.
I already have an emergency fund that I'm comfortable with. Where should I invest additional retirement contributions? Should I take advantage of the subpar 401(k) plan under the logic that saving something at a suboptimal rate is better than nothing? Should I open my own brokerage account and invest there (I'd be making monthly/semimonthly contributions, so any trading fees would eat into my return)? Something else?