Opinions expressed by Forbes Contributors are their own. Student entrepreneurs have a good track record. For instance, Mark Zuckerberg, who started Facebook while at Harvard, Larry Page and Sergey ...

But if you like making the world sparkle and you're not afraid of elbow or any other kind of grease, then you can lather up a good living with a commercial cleaning service. You can take the usual ...

If you’re a people person with a head for numbers, you might want to consider becoming a commercial real estate agent. Commercial real estate agents source buildings, storefronts and offices for ...