As a Beg/Int player it would be nice to have a few hints on these MTT's from some big hitters

Just a few hints of my own:

Try to hit a flop, at least, before an all-in.
Would you go all-in with a K-8/ A-7 hand. They will.
Watch the players who rebuy on your table.
You might get whacked by some bad hands.
You will not buy respect by paying for more chips.
Your dollars are good for another tourn.