Online Education, With a Low-Cost Twist

As a military wife, Michelle Mills got used to the itinerant lifestyle but could never quite accept the fact that she hadn't finished her college degree. Over the past decade or so, Mills, a 34-year-old mother of two, sank $30,000 into college coursework, earning more than 100 credits at three different colleges as she followed her husband, an Air Force fighter pilot, to military outposts in such places as South Korea, North Carolina, and Nevada.

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