I got licensed to sell food in Japan recently, so my friends and I experimented with opening a food stall during a local festival. We ended up in the black (we made money) but not much, but it was a whole lot of fun. It definitely encouraged me to keep trying.
Check out how the day went!
Channels mentioned in this vid:
Ciaela
http://www.youtube.com/user/Ciaela
Entropy102
http://www.youtube.com/user/Entropy102
Nicodojo
http://www.youtube.com/user/nicodojo