Even inventor Bill Bengen is revisiting the 4% rule — is it still the key to making money last in retirement?

We are often told we need to save as much as we can over 30 or 40 years of work to carry ourselves through retirement.

But once we reach that milestone, how do we ensure those savings won’t run out before we die?

It’s a question that challenges even the brightest financial minds. And while the industry has followed what’s known as the “4% rule” for decades now, some argue it’s not the simple solution its proponents believe it to be.

Morningstar’s 2022 guide to retirement…