Wavebreakmedia/Envato Moneywise and Yahoo Finance LLC may earn commission or revenue through links in the content below. You’ve hit your late 50s, you’ve got a nice cushion in your 401(k) and suddenly you find yourself wondering if that cushion will provide you with enough comfort to retire today. The promising news is that yes, you may be able to retire today at 58 years old with $970,000 in your 401(k). But you’ve got enough life experience now to know there’s always a bit more nuance than that. Mu ...