Systematic Investment Plans (SIPs) help you discipline your investing. Its nature as a financial instrument encourages the habit of regular saving and investing. his is because SIPs require you to invest a little bit of money at regular intervals of time. Investing for the long term is a skill that is developed through practice. SIPs are a way to set aside a fixed amount at intervals and can continue for a few months or even years. They also help in averaging out the cost of investing and guarding yourself against extreme volatility in the market.