Pre-Game at the Supermarket
Airport stores are unbelievably pricey, so if you don't feel like paying an arm and a leg for a little bag of trail mix, make sure you visit a regular grocery store before setting foot at the airport.
Getty Images Photo by Tom Werner
Stock up on light snacks and bring an empty water bottle or two.
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Consider the Lounge
If you know you'll have many dead hours (or even a day) to spend at the airport, an all-day lounge pass could be your best friend. Most airlines sell those passes for about $50, which may not be that expensive when you learn that Americans spend an average of $141 per person whenever they walk into an airport.
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Your airline lounge is located away from the flashy stores and temptations around, making it easier for you to hold on to your cash. Plus, it's comfortable and equipped with food, drinks, and wifi.