You may be able to get more income out of your savings each year.A lot of people work hard to build a retirement nest egg. But then, once their careers actually end, they wind up disappointed when they realize they're able to withdraw only a limited amount of money from their IRA or 401(k) each year.Financial experts tend to promote the 4% rule for managing a retirement nest egg. The rule states that if you withdraw 4% of your IRA or 401(k) account balance your first year of retirement and adjust future wit ...