What do I need to know before moving to Washington?

When we asked people what advice they would give someone preparing to move to Washington, they said...

Other Questions:

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