Hi, Jacob, the decision of when to split two pair is mostly a matter of risk tolerance, each casino has their ” houseways ” which vary slightly based on that casino’s assesment of risk, either conservative or aggressive, so knowing their houseways would at least give you a good start, another reason for their particular houseway is that they’re playing against up to six other players, but to address your question more directly, I would recommend the following : first categorize your pairs, 2’s - 6’s as LOW, 7’s - 10’s as MEDIUM, Jacks - Aces as HIGH, ( when you have 2 LOW pair with an Ace or King, play the A/K up and the 2 pair together, otherwise split, MEDIUM/LOW or MEDIUM/MEDIUM pairs, basically the same, only difference is just an Ace kicker not the King, HIGH pair with any other pair, automatic SPLIT, it’d be easier if I just posted our houseways, lol, anyway, I hope this helps