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Sometimes it is also good to bet on the general sentiment people have on teams, when comes to sport betting. To me it does not exist such thing as a "smart" bettor, but rather a bettor who knows their chances and use publicly known information to do their analysis and make money out of it.
Whenever people talk about going for the obvious option, when comes to sport betting I recall someone from this forum who heavily betted in favor or Argentina in the last World Cup, I think Argentina was facing some arab team, anyways, the obvious and favorite option was to bet for Argentina que pocket some money, the guy did so and ended up losing up to two thousand dollars to his back luck.
In the end of the day, it does not matter how smart and how much analysis one does, there is still a component of luck or chance which will determine the result of the match, that is a factor each bettor needs to keep in mind.