These days, the MBA degree is one of the most popular in the country--and for good reason. The Graduate Management Admission Council reports that over the next four years, starting salaries for MBA graduates are expected to be 76% higher than those of their undergraduate-trained peers. Recently-graduated alumni of business schools earn over $92,000 annually, and companies that employ graduates of business schools expect an increase of 18% in new hires. All you need is a computer with Internet access to start earning this versatile graduate degree.