Fliers on some airlines can upgrade at a discounted rate to avoid what could be a cramped flight. With some cruise ships and even Amtrak getting in on the act, is bidding up worth it?
BY ELAINE GLUSAC | NYTimes Travel | Disclosure
Going Once, Going Twice: How to Bid on a First-Class Seat
BY ELAINE GLUSAC | NYTimes Travel | Disclosure
