The only way to win at poker is to bet and the only way to win a lot is to bet a lot. Poker is a game of timed, focused aggression. And as you master the basics of the game, you'll learn when you need to up the aggression at the table. Many novice players are simply too cautious, too much of the time.
The suits are all of equal value - no suit is higher than any other suit. In Poker, the Ace is the highest card and the 2 card (Deuce) is the lowest. However, the Ace can also be used as a low card, with the value of 1.