Why is Slytherin the best house in Hogwarts

Slytherin...

Go online try to find some articles out there that claim to show why Slytherin is the best house. You won't be able to find many that are good. You can see they aren't very deep and don't have very genuine reasons. Some of are even biased and say that Slytherins are evil. I'm going to be telling you today why Slytherin is the best house with genuine, thoughtful reasons.