Spending a day at the U.S. Open? Make sure to bring your wallet and a good amount of money.

From the time you get to the USTA Billie Jean King National Tennis Center, there are plenty of things to buy, food and drink to be consumed and souvenirs to be brought home. Here are just a few of the more notable things that one can pay for at the U.S. Open.

If you're driving to the tennis center, it'll cost $22 to park. If that figure looks somewhat familiar for a sporting event in Queens, that's because the event's parking is run by the same people who handle Citi Field's parking across the way. (Also, make sure to get there early, since there will be a long line to get to the general parking fields.)

The U.S. Open is known for its eclectic menu options, ranging from the typical cheeseburger to a short rib sandwich with horseradish sauce on a ciabatta roll. Of course, either one will cost a pretty penny. The burger sells for $10 in the Food Village, and the short rib sandwich will set you back $16.50.

Then there are the drinks. Like every stadium, there's soda ($5) and beer ($9.50 for a Heineken draft, $11 for a souvenir glass) available for sale. But the Open also has mojitos and glasses of wine ($12 each). If you're looking for something even classier, there's Perrier Jouet champagne on sale for $25 per glass.

Among some of the souvenirs available for purchase:

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--Giant souvenir tennis balls (most often used for autographs), $45

-- Souvenir program and daily report, $20

-- Men's U.S. Open polo shirts, $74 for plain white or $88 for striped blue and white

-- Men's and women's T-shirts, $32.