From I started play poker it was a lot of mistakes firstly.
But the biggest I think is a
bluff in MTT.
I have lost a lot of good places about this mistake.
But realy better to learn on your mistakes then on somebody.
The best idea to start play for cash is - freeroll tournament.
Because in this tournaments you understand how is they different from cash one.
A lot of players start very incredible game from ALL-IN with differents not good
hands.
This hand on start is strong but it is very dangerous hand.
In the bigining of any tournament we will make a big mistake if we will go ALL-IN with it.
We can 3-bet on preflop, but after 4 or 5-bet best idea will be fold.