How big do you raise AA preflop?

default 3 bet, lots of fish shove, more tight calls are good too

I raise all in.

Probably not much with that hand u want to get raised or bluffed 2 2.5 3 i think thats correct all in u gonna get called with hands that probably raise you and u want to get called with mediocre hands yes sometimes u gonna get crushed but that happens 1 in 5 times with most hands

If we are talking about a 9 players game and remains 4+ players after my bet, I try to bet a micro raise in a range of 1-3 BB.

If remains less than 4 players, I try to put a bigger raise.

But you will only do this if you think that your opponent will not fold your bet, because you want him playing the game as long as possible to steal more of his stack (if the game is not opening a possibility to a bad beat, of course).

You need, indeed, to watch your opponent plays in the table and try to figure out if he is folding, calling or 3-betting (4-betting, etc.) the raises on the pre-flop.

My careful strategy is based in: "Try not to scare the villain".

4 or more BB, or all in