Booze, crew gratuities and sometimes even airfare, shore excursions and pre- or post-cruise hotel stays are included in the advertised price.

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What amounts to the same thing: The advertised price on the pump would not be per gallon of fuel but per gallon of pure gasoline equivalent.

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Lightly advertised low-price brands should become more prominent, as companies appeal to budget-conscious consumers.

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"It should be remembered that the price a vehicle is advertised for sale as is not the same price that someone might pay - second-hand car dealers may overstate the price in a newspaper or trade magazine, but accept much less when negotiating, " the spokesman added.

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Price does not include all advertised features.

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Today, Target announced it was extending holiday price matching through the year, promising to match competitors advertised prices on products found both in stores and online.

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