Among the many things you may or will need to save for are:

Investing for the future (a nice retirement, for example) Purchase an IRA (maybe a Roth) every year Replacement for your car An education for your children or spouse Continuing education for yourself A larger apartment or home or modifications to your existing home For the "rainy day" when you get hit with a big medical or other bill A special hobby-related purchase Replacement for your computer or other equipment Your retirement (and your spouse's?) Vacations and other excursions