scoring big travel rewards for small amounts of spending. >> there's two main types of mileage runs. the first is to accrue miles cheaply, redeemable miles that you can use for future flights. the second type of mileage run is with the focus of elite status. so taking flights, even if they're not cheap, but to get to that elite status level so you have all those benefits for the entire next year. >> people will fly all over the world just for status? >> exactly. at the top tier airlines really pamper flyers. it really makes travel a lot