What cultural faux pas should I try to avoid making in Nevada?

We asked people in Nevada if they could share any humorous cultural blunders they commited. For new expats, keep in mind that these incidents are an inevitable part of expat life. Learning to laugh about them is the key!...

Other Questions:

•  What do I need to know before moving to Nevada?
•  How do I find a place to live in Nevada?
•  What is a typical expat home or apartment like in Nevada?
•  What is the average cost of housing in Nevada?
•  Should I buy or rent a home in Nevada?
•  What should I pack when moving to Nevada?
•  What cultural faux pas should I try to avoid making in Nevada?
•  Why do people move to Nevada?
•  What are healthcare services like in Nevada?
•  What are medical services in Nevada like?
•  What are typical rents in Nevada?
•  What appliances are typically included in a rental?