Saving for retirement traditionally takes more than 40 years of work.
Given that kind of time, investing a little extra cash every month can pay off exponentially in the stock market.
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Check out the video above to see how much you will need to start saving every month to retire with $500,000, $750,000 or $1 million, broken down by age group.
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Disclosure: NBCUniversal and Comcast Ventures are investors in Acorns.
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