There was a cool story recently in the New York Times Freakonomics blog. It is about a dad who wanted to take his daughter to a Hannah Montana concert but didn't have tickets. Not knowing how hot these tickets were, they went to the arena hoping to buy from a scalper. After turning down scalpers prices that were too high, the father-daughter team got lucky and were able to score second row seats!
Read the article to see how they did it.