Easy to understand, but difficult to master.

General Rules
Do not do any of the following:
Flame or insult other members
Bypass any filters
Abuse or encourage abuse of the Reputation, or Post Reporting Systems
Post personally identifiable information (i.e. name, address, email, phone number, etc.)
Bump threads
Derail a thread's topic
Post links to phishing sites
Post spam (i.e. +1, 10char, rickrolls) or Re-post Closed, Modified, Deleted Content
Repetitively post in the incorrect forum (example: trade requests belong in trading forum)
Openly argue with a moderator
Artificially manipulate the User Review system or voting/rating systems