Whether it's signing up for a credit card they don't need, buying a random product, or filling out endless surveys, most travelers have attempted some type of hack to earn themselves extra air miles.
원문출처 : https://www.cnn.com/travel/article/mileage-maniac-steve-belkin-frequent-flier-miles/index.html
원문출처 : https://www.cnn.com/travel/article/mileage-maniac-steve-belkin-frequent-flier-miles/index.html