Living off your investment returns can help remove one of the biggest fears about life after leaving your job: Will my money outlast me?
Once you decide how much you need per year in retirement, you can figure out how much money you need to invest.
Check out this video for a breakdown of the how much you need to save to earn $35,000, $40,000 or $50,000 every year in retirement .
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Disclosure: NBCUniversal and Comcast Ventures are investors in Acorns.