"An owner buys a team like he'd buy a luxury liner, " says Clemson University economics professor Raymond Sauer.

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Passengers may become disenchanted with the plane if it turns out to be a freighter rather than a luxury liner.

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Bogle: Only in America can we name a loose monetary program after a mothballed luxury liner, the Queen Elizabeth II.

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The 289-meter (nearly 950-foot) luxury liner, which has a capacity of 2, 600 passengers, had docked in Ushuaia several times in recent years, she said.

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The same goes for train travel and car travel but there is an exception for travel by boat: if you travel by ocean liner, cruise ship, or other form of luxury water transportation for business purposes, there is a daily limit on the amount you can deduct.

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