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Ok but how do I protect my big pairs from say a set then...? or maybe I don't..?

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You should bet the pot size on the button. If you are one of the blinds you should overbet the pot. If theres no limpers you should bet about 4x on the button and 5x on the blinds. Betting the proper amount PF you probably will make fold small and even medium pocket pairs, prevent them from hit a set. So the amount you should bet depends on the number of limpers and the position rather than the hand you hold.