Whenever you buy something, you wonder what the seller knows that you don't know. For anyone who's bought a plane ticket, check out this IAMA thread: IAMA Delta/KLM/Air France reservation agent that knows all the tricks to booking low fares and award tickets AMA . If you're unfamiliar with Reddit, IAMA stands for, "I am...

Traveling solo has its benefits. Want to change your itinerary? No problem. Want to stay out all night? Go ahead. Want to wander sans clothing through your hotel room? There’s nobody to object. You can do whatever you want within your own budget and not have to worry about convincing your companions to buy in....