Only look at the polling averages, which always prove to be infinitely more correct than any one poll.
Polls are so simple, a child can understand it: you only pay attention to the AVERAGES. That's it. That's the whole thing. AVERAGES.
People who dismiss the polls entirely are also being moronic.
People who pay attention to the polling averages are the only ones who have any idea what's going on. If you can't accept the averages, shut up about polls.