Getting Mileage Out of Miles

摘要

"You can buy a $180 fare for 15,000 miles, or you can just pay that lower fare and use those same miles to upgrade to a business-class ticket, which is a $2,500 value." "There are over 300 merchants at the online British Airways and American Airlines stores. They give 2 or 3 more miles per dollar in addition to your credit-card miles."