What are the Opportunity Costs of sticking it out with your current employer?

I talk with talented people about their careers each week. Most are much smarter that I am. Many stay with their current employer 5 or 10 or 15 years without understanding the Opportunity Costs to their career.

A quick definition: Opportunity Cost refers to the potential benefits or opportunities that an individual foregoes by choosing a particular career path over another. It represents the cost of the next best alternative career that the individual could have pursued but did not, due to their decision to stay on a particular path.

This week, I talked with two similar Engineers com...