Prime objective of this article is to Discuss on Advantages of Index Investing, here explain Index Investing, in financial point of view. Index investing provides a much easier way to buy stocks. It provides the opportunity to buy a diversified portfolio which would guarantee average returns. Rather than aiming for above-average returns and failing, investors can safely use index investing to make certain their returns are guaranteed to be in line with the overall market performance. this article also discuss on some advantages, like: Lower Costs and Low Maintenance.