Teaching my kids courtesy and respect

One thing I cannot stand in raising my kids is any display of disrespect and discourtesy. Can you tolerate “What??!!”, “So??” in a defiant tone with eyeballs rolling? What do you make out of a kid who never greets you nor say goodbye when you leave his house? How do you feel when the parent herself doesn’t see you out of her house? And how do you like it if a nephew calls you by your name?

I certainly cannot tolerate any of these rudeness in kids and cannot imagine