“House edge” is the reason why the house always wins. Edge is the average percent over time that the casino will make on each bet. Different games have different edges, the bigger the edge, the bigger the payout and the smaller your chances of winning. The National Lottery has an edge of around 50%, slot machines 17%, roulette 5.5%. Blackjack has an edge of 0.5%, if you’re good and if you have a…