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

We asked people in Iowa 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 retiring in Iowa?
•  How do I meet people in Iowa?
•  What is life like in Iowa?
•  Is there a lot of crime in Iowa?
•  Is there a lot of diversity? Are people in Iowa accepting of differences?
•  What are the schools in Iowa like?
•  Is the cost of living in Iowa high?
•  What advice do you have for expats having a baby in Iowa?
•  What are healthcare services like in Iowa?
•  Is the cost of living in Iowa high?
•  What type of recreational facilities are in Iowa?
•  What is the weather like in Iowa?
•  Are there good restaurants in Iowa?
•  Where will I buy groceries and do other shopping in Iowa?
•  What are the visa & residency requirements in Iowa?
•  Are healthcare and health insurance expensive in Iowa?
•  What do I need to know when buying property in Iowa?
•  Are foreigners allowed to own property in Iowa?
•  What appliances are typically included in a rental?