Apparently the biggest mistake, which a beginner poker player make, is that he plays too many hands. When you just start playing poker, you really want to play poker big time and avoid bad plays such as, calling hands when you hold nothing but hope to hit the nuts of the river, just because you have the need for action. Playing more doesn't mean winning more. The opposite - it usually means losing more. If you find yourself staying in half or more of the hands you're dealt, you need to improve your game and call with better pocket cards.

The first and the most crucial lesson to learn when playing Texas Hold'em is, which pocket cards are needed and worth wild staying in with and, which you should fold. Making up your mind whether or not those two down cards you're first dealt allow you the option to play with, is the most important decision in each and every hand, because while zyou have to be in it to win it, you also can't lose money in the long run.
The way you play your hole or pocket cards is one of the most influential moves, which make your hand better or worse than any other players. It's highly important that they are good strong cards or played (rarely) as if they are good.
Moreover, play only the cards which in the 10 best list and always fold the hands in the worst hands list, using this simple technique will improve your performances.

In order to really succeed as a good texas Hold'em player, you will need to vary your starting hand range values, depending on your poker position. It's very important to understand the meaning - "poker position", since you need to tighten up your standards in early status (such as the blinds) and can stretch your standards in a late position. So let's get down to business;
There are several common sayings that sound at the poker table, which connect to the term "position"- as in "I've got position on you," or "I hate getting this hand in early position."
Position in poker refers to where a player sits in relation to other players. If someone says "I've got position on you" - it means he's sitting to your left, and will always make his move after you.
Very often, position is used to identify where a player sits relatively to the dealer and if you'll be first or last to play in a round of betting.