Is Your 401(k) Enough for Retirement?

If only life's long-term decisions were as easy as the short-term ones. You might spend 30 seconds or less deciding if one donut for breakfast is enough, or if you can stay functional all day on one cup of coffee. But deciding whether your 401(k) alone can fund retirement takes slightly more brainpower. You might want to grab that donut and coffee now so you're ready to dive into the details.