house edge

Hi! This is my first post here :) Im about 3 weeks into learning counting, and I have been thinking of some questions about house edges. I have heard that playing 6:5 blackjack is a really bad idea because it gives the house a 2% edge, I do not really understand the math behind this, If 6:5...

I think this casino has a negative edge. So playing perfect basic strategy should yield a profit. I'd really appreciate if the pros here could confirm this :) ( I think the edge is -.7%) Dealer deals only one card to himself I can surrender any cards (even when the dealer shows an ace) I...