no raise pre-flop
i play it a bit low mtt and
freerolls and generally not worth raising preflop the first 1/2 -2/3 into the tournament. to many combinations so value to see flop before committing part of stack is bigger than the other way around - also other people have tendency to chase
hands so you get paid on the turn. basically on low mtt and freerolls i will have to have the possibilty to get straigth, flush or higher not dominated to continue betting.
playing better tournaments and late on in a tournament depends on your stack size and position.
my experience at least and probability wise i think people put to much value on e.g a pair of aces - much better to have three in a row with one pair and two same suit colour