According to Christopher Elliott, Expedia has two systems that track airfare availability: one for shopping and one for booking. ?While uncommon, the two systems will rarely return disparate fares,? says Expedia spokeswoman Katie Deines. ?It speaks to the highly dynamic nature of pricing and availability. Expedia works throughout the booking process to verify pricing and availability so we are showing customers the latest information.?

But travelers don?t care about the highly dynamic nature of pricing and availability. When they see a low fare one minute and a higher price the next, they call it a bait-and-switch. So do I. The price you?re quoted should be the price you pay. Every time.

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