By CHRISTOPHER ELLIOTT

The $39 parking charge at San Francisco's expensive Westin St. Francis hotel did not faze Veronica St. Claire, a business traveler who is instinctively wary of extra fees wherever she goes. But when the hotel added a $5.46-a-night bed tax to the parking charge on a recent visit, she felt ambushed.

"I told the desk clerk, 'I don't recall sleeping in my car,' " said Ms. St. Claire, the chief executive of a nonprofit organization for retirees in Los Angeles. The hotel employee replied that the city had recently extended its 14 percent occupancy tax on parking, too. Although the St. Francis maintains it notifies guests of the tax, she says she was "astonished" when she saw it on her bill.

For Business Travelers, Fees and Taxes Everywhere, continued