Mad about your bag? You might have luggage rage

Bag fees are big business. Here's how to beat airlines at their own game.

If you've ever struggled to squeeze your carry-on luggage into a ridiculously tiny overhead bin, or had to repack your bag because it was too heavy, or just lost your luggage, then you may already know luggage rage.

The rest of you, pay attention: Airlines have entered a new phase of greed, and they've zeroed in on your luggage. This year, domestic airli…