According to Consumer Reports, more than a quarter (27%) of people who checked their credit reports found errors serious enough to impact their score — including accounts they never opened and ...

Tested and researched models we stand behind from Jackery, EcoFlow, Anker and more. Editor’s Note — February 2026: We’ve updated our story to make sure items are in stock and available, plus we added ...

First, you spend a small fortune just to buy the unit and install it. Then comes the real nightmare: maintenance and repairs that are outrageously expensive, to the point where it feels like a scam.

♦ UPDATE: Learn about companies that are applying this timeless advice today. A version of this article appeared in the July–August 2008 issue of Harvard Business Review. James L. Heskett is a Baker ...