Based on the returns over the past 30 years, investing 1,000 dollars in the S&P 500 every month for 30 years would be enough for retirement. If you allocate your entire salary of 5,000 dollars monthly for regular investment, and if you can stick to it, it’s estimated that after 10 years you would have over 1.4 million dollars. Below is a statistical overview from 2016 to now, to see the long-term effects of consistently investing in the S&P 500.