[LearnedfromTV]

It isn't a $100 tournament, for you, it's a $4 tournament. It is also a $4 tournament for a lot of the other players in it. Overall the competition will be better, but not so much that you should be worried. Oberve your opponents and play the hands one at a time. If you bust, no worries, if you make the money, suddenly you get a bigger payday than you should for only a $4 tournament.

As someone else said, people are more aggressive, bluff less, and call less. But they generally will call at the right times more and bluff at the right times more. In other words, if you try to catch a bluff from a bettor who seems to aggressive, you'll often find that you've actually been value bet by a medium strength hand that is better than your medium strength hand. And if you try to river bluff for no good reason, you'll find yourself getting calls from suspicious people with hand reading skills. Generally, this will be more true the further you get - there are bad players in these, but fewer of them.

So my advice, for a first time in a bigger tourney, is to only deviate from playing straightforward when you have a clear reason to do so.

Enjoy, there's no bigger rush than a big cash.