Since the law makes me withdraw money from my 401(k) beginning at age 70 ½, does it still make sense to have a 401(k) at my age (74)? (C.L., Wilmington, DE)

Yes! Tax-free compounding is always a good thing. At age 74, your 401(k) works like this. Say you put a tax-deductible $30,000 in your 401(k). Because you are 74 years old, actuarial tables issued by the Social Security Administration say that your life expectancy is 12.62 ... Log in to view full article.