Please choose the correct ending to complete the given sentence: Travel: [header] How to double dip travel rewards [title] Enroll in a frequent flyer program that makes sense for you. [step] The most common type of travel rewards are airline miles. In order to earn the most miles, including in double-dip scenarios, you'll need to join a a frequent flyer program that you will be most able to use.

Ending1: [title] Stay connected by calling about upcoming cruises. [step] Some trips will require a travel trip or that you can ride the train with. Ending2: This can include loop connecting your route or visiting other websites. In the case of an impact for other businesses, the cbt team offers a variety of innovative ways to distribute out a percentage of your reward via regular mail. Ending3: For many people, this is simply the program affiliated with whatever airline they fly with most often. [substeps] One factor is proximity to an airline's hub. Ending4: [substeps] While these are often offered via train, bus, subway, and train calls, these companies can also be very affordable in the advertising world, and are a way to hold back from potential rewards only. Only make car purchases in the advertising area while traveling.

Answer format: ending1/ending2/ending3/ending4