DRIPs are important because they allow investors to compound their returns over time by reinvesting dividends to purchase more shares of stock. This strategy is particularly attractive to long-term investors who are looking to grow their portfolio without actively adding new capital. By participating in a DRIP, investors can benefit from the power of compounding, where the returns from dividends are reinvested and generate additional income in the future. DRIPs also provide an efficient way to build wealth over time, particularly for investors focused on dividend-paying stocks.