Hi all; this won't do anything for online favor points or achievements, but if you want to preserve your single player favor and achievements while still playing multiplayer, its possible. I created a new profile in single player, then played some custom games. On my achievements it just had the stuff from the last game, but you can now switch back to your old singleplayer profile and all favor points are preserved.
Its a pretty simple workaround for if you wanted to save your single player stats. I hadn't seen it posted, though, so I thought I might do so.
