It should auto-save. But it has to be activated at the beginning of the game.
no
You don't have to save. after you are done you game just exit the game and it will save automatically.
Transporter 2
what you have to do is save a citizen and he/she will become apart of your assassin brotherhood.
Only the "Save Citizen" missions.
Yes, the original Assassin's Creed can only handle 1 save game at a time.
No. Although you begin the game with all the equipment from Assassin's creed 2, it is taken away within a few minutes.
Nope. Starting a new game on any game will not affect your achievements.
Assassin Creed 2 Assassin Creed Brotherhood Assassin Creed Revelations Assassin Creed 3
a hirable assassin or an assassin for hire a hirable assassin or an assassin for hire
IN WINDOWS 7 and VISTA C:\Users\<USERNAME>\Saved Games\Assassin's Creed Brotherhood\Saved IN WINDOWS XP C:\Documents and Settings\<USERNAME>\Application Data\Ubisoft\Assassin's Creed Brotherhood\Saved
You cannot save him unless you use console commands to kill the assassin before he kills the emperor. However, this has no effect on the world, and people still act as if he was killed.