Investing for your retirement isn’t about getting rich quick. More often, it’s about having a game plan that you can live with over a long time. You wouldn’t expect to be able to play the piano without learning the basics and practicing. Investing for your retirement over the long term also takes a little knowledge and discipline. Though there can be no guarantee that any investment strategy will be successful and all investing involves risk, including the possible loss of principal, there are ways to help yourself build your retirement nest egg.