Everyone’s different, so people interpret other people’s actions differently and view what in-game etiquette is. (Example being a previous post someone(s) who found tipping to be insulting or rude.)
What do you consider polite behavior?
What do you consider to be rude, insulting or disrespectful? What is the worst offense one can do?
Please provide the above in list format with any additional comments after, as this will make it easier for anyone who chooses to glance through the page in the future. (Out of game courtesy )