House edge on blackjack is around 2% for average player, by learning all basic strategy you can reduce this to around .60% if your playing by uk rules, and about .40% if playing US rules. Basic strategy isnt hard to learn and blackjackinfo.com generates free basic strategy charts for you, for free, to the rules of your casino.

The only way to get a positive edge on blackjack is card counting and basic strategy, if you are serious about leanring it and want more info try bj21.com and read all of the blackjack school lessons.

Adam