the sky's the limit when it comes complicated airline fees today at TV shows us how to save on travel -- Better ways to save. Now the -- make sure your travel ticket is really a bargain is to know the rules of the game -- not knowing the rules can cost you money. Most airlines are making up for lost revenue by charging baggage fees. Each carrier has different rules but some flights and airlines don't charge baggage fees if you've paid full fare for your seat. Whether it's in coach or first class. Your -- off and wise for free just make sure you check the fine print . Your bags are supposed to be free you'll pay a surcharge if they're overweight to make sure you book your ticket online.