Hand Selection is as important as Game Selection, and will have a major impact on whether you are a winner in the long run. The hands mentioned here are just a rough guide to hand selections.
Playing more hands than this list suggests is perfectly fine if a player is comfortable with the action of the game. And, of course, the gentleman always abides by the following: variety is the spice of life. Note: suited cards are stronger than unsuited cards as they also have the possibility of making a flush.
…and any Ace with a same suited lower card.
In an un-raised pot: The same hands as Middle and Late Position.
In a raised pot: The same hands as Early Position.