Small Biz

Getty images

The Next YouTube

For those with knowledge to sell, slinging videos online with tips and how-tos is a great and undercapitalized opportunity, says Sucharita Mulpuru, an analyst at Forrester Research, a Cambridge (Mass.)-based retail research firm.

Do you teach yoga, step aerobics, or Spanish? Tape your lessons and sell them in your own branded online store.

More Slide Shows