Get Ready to Pay for Peanuts

A new crop of low-cost airlines is taking "no-frills" to new heights by charging for everything from snacks and drinks to checked bags

For years, airlines have sought to emulate the low-fare, low-cost business model of Southwest Airlines, the much-studied pioneer in the cutthroat aviation game. Terror attacks? Exorbitant jet fuel costs? Little matter, the profits still flowed at Southwest (LUV), as its ultrafrugal ways kept pace with expenses.

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