When it comes to the ticket selling industry, there are many outlets to purchase tickets for the hottest sports events, concerts and other entertainment. However, when buying from ticket vendors like Ticketmaster, there's no choice but to pay the set attendance price if you want to attend and scalpers might literally clear out your child's college fund. Zigabid, a new online startup lets ticket buyers and ticket sellers negotiate based on supply and demand, to get the best ticket prices and make their own entrepreneurial profit.