You did your best to get the cheapest airline tickets for your upcoming trip, but just after you bought the prices went lower. Arrgh!
But wait; some airlines will refund you the difference if that happens. They just don't advertise it.
Of course, not many people have time to keep checking ticket prices after they buy. Fortunately, Yapta does the work for you.
It keeps track of airline ticket prices and sends you an alert when you can get a refund. Yapta claims that the average user saves more than $300 a year.
It's free to sign up, so there's nothing stopping you from getting savings.