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.

ITW Illinois Tool Works Inc.

The above button links to Coinbase. Yahoo Finance is not a broker-dealer or investment adviser and does not offer securities or cryptocurrencies for sale or facilitate trading. Coinbase pays us for ...

♦ 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 ...