This is from the blog of a reputable bank providing advice to retirees:
... Start by figuring out how much spending money you will need from your portfolio over the next five years. Let's say you are using a 4% portfolio withdrawal rate, which means you plan to spend a sum equal to roughly 20% of your portfolio's current value over the next five years.
You might take that 20% and stash it in conservative holdings like savings accounts, certificates of deposit and short-term bonds, so you know that you have the next five years of anticipated spending covered, no matter what happens to the rest of your portfolio.
You can then invest the other 80% of your nest egg for total return using an appropriate mix of riskier bonds, U.S. stocks and foreign shares. You will want to consider carefully what combination of stocks, bonds and other asset classes to ......