What Would You Bid to Get Bumped?

Be honest. How many times have you flown and secretly (or not so secretly) hoped the airline had oversold the flight and been forced to call for volunteers to give up their seats in exchange for a travel voucher? Assuming you absolutely don't have to be at your destination at a given time, no doubt you've been tempted. In the best case scenario, you're put on the next flight and sometimes even upgraded to first class. Plus you get a voucher worth a few hundred dollars for future travel. It's a bit…