Las Vegas's gorgeous appearance will give people the illusion of high consumption, but it is not. Las Vegas' consumption is among the lowest in the big cities in the United States. For hotels, Las Vegas hotels are half as cheap as similar hotels in the US, and star hotels have 29 a night. Since the economy of Las Vegas relies mainly on the entertainment industry, catering is relatively cheaper than other large and medium-sized cities in the United States, especially for buffets. The currency used in Las Vegas is the US dollar.