Of the billionaires on Forbes top 100, only 1 has a Ph.D. By contrast, a couple are high school drop-outs and a fair number are college drop-outs. Source: http:

Of the billionaires on Forbes top 100, only 1 has a Ph.D. By contrast, a couple are high school drop-outs and a fair number are college drop-outs. Source: http://answers.yahoo.com/question/index?qid=20100505134335AA3c0zy http://answers.yahoo.com/question/index?qid=20100505134335AA... Tuition is rising faster than inflation. After 4 years of college, 5 years of grad school, and another 5 years of post-doc work, a Ph.D. could easily accumulate hundreds of thousands of dollars of student debt. So if making money is your main goal in life, skip the Ph.D.