The noobie section
You can also rotate your tires (in the same way you rotate a real car's tires; see attached image) to prolong their life, and since tires on the front and back and left and right sides wear different, it will help have a more uniform wear. Ununiform wear isnt necissaryily a bad thing, if you have your car set up right sometimes it is kind of un-uniform, and if thats how u like it for the handling and stuff, then your not gonna wanna change camber around b/c that will change how your car handles.
The drawing is pretty self-explanitory, if not great...