Entrepreneurship is in the air. 54% of Millennials either want to start a business or have already started one according to a 2011 Kauffman Foundation Survey. In addition, 21% of freelancers are still enrolled in university. The barriers that discouraged previous generations' entrepreneurial aspirations have all but crumbled for today’s entrepreneur. The only viable excuse for not starting a business today is simply that you do not desire to do so.

1) Start-up Costs Are Zero.
For a business...