I always look forward to the December issue of Entrepreneur magazine. That's the issue that features the publisher's annual pick of hot businesses, markets, and trends for smart entrepreneurs - or those who aspire to be.

Some of the high tech businesses cited like mobile gaming or online learning tend to require six and seven figure start up costs. This can seem daunting (although not impossible) for the person just venturing into self-employment. So I've decided to focus on the markets, trends, and businesses that speak to someone operating on a somewhat more limited budget. Let's start with hot markets: