The biggest single expense for most trips abroad is generally the plane tickets. Whether you buy a round the world ticket or piece together a series of plane flights yourself, the tickets will likely be your biggest expense. That's why it makes sense to be come something of a discount airline guru. We've pointed out...

While most major airlines have tightened up the rules (and added new restrictions) surrounding frequently flyer miles, that doesn't mean you can't find some pretty good deals. And honestly, who wouldn't like to fly for free? If, like me, you've got quite a few frequent flyer miles and are trying to figure out the best...