It's a new year. 2020 is over and your resolution for 2021 is to invest into the stock market. But where to begin? Well, Warren Buffett said, "for most people, the best thing to do is owning the S&P 500 index fund." But there are so many! Which is the best and which should you invest in? All S&P 500 funds are similar. Their investment strategy is to track the S&P 500 as closely as possible and yield positive returns for investors. Since inception the S&P 500 has gained an average of 10% per year, so investors that invest into it should be expecting to receive the same. The difference amongst the funds are what type of expenses you'll pay to the investment firm that you invest with and the dividend yield that the fund pays out to investors. After that, they're almost all exactly the same.