CME.simulateBuy = function(object, statistic) {

    // Store initial state
    ////////////////////////////////////////////////////////////////////

    // Don't simulate if this is an upgrade that has been bought already
    if(object.getType() === 'upgrade' && object.bought > 0) {
        return 0;
    }

    // Don't simulate seasonal upgrades or Elder pledge/Covenant
    var doNotSimulate = [74, 84, 85, 181, 182, 183, 184, 185];
    if(doNotSimulate.indexOf(object.id) !== -1) {
        return 0;
    }

    // Disable some native methods
    var swapped = {
            SetResearch : Game.SetResearch,
            Popup       : Game.Popup,
            Win         : Game.Win,
            Unlock      : Game.Unlock,
            Collect     : Game.CollectWrinklers
        },
        stored = {
            seasonUses       : Game.seasonUses,
            cpsSucked        : Game.cpsSucked,
            globalCpsMult    : Game.globalCpsMult,
            cookiesPs        : Game.cookiesPs,
            computedMouseCps : Game.computedMouseCps,
            pledges          : Game.pledges,
            elderWrath       : Game.elderWrath
        },
        income;

    Game.SetResearch      = function() {};
    Game.Popup            = function() {};
    Game.Win              = function() {};
    Game.Unlock           = function() {};
    Game.CollectWrinklers = function() {};

    // Simulate buy and store result
    ////////////////////////////////////////////////////////////////////

    // Simulate buy and store statistic
    object.simulateToggle(true);
    Game.CalculateGains();
    income = Game[statistic];

    // Restore initial state
    ////////////////////////////////////////////////////////////////////

    // Reverse buy
    object.simulateToggle(false);
    Game.seasonUses       = stored.seasonUses;
    Game.cpsSucked        = stored.cpsSucked;
    Game.globalCpsMult    = stored.globalCpsMult;
    Game.cookiesPs        = stored.cookiesPs;
    Game.computedMouseCps = stored.computedMouseCps;
    Game.pledges          = stored.pledges;
    Game.elderWrath       = stored.elderWrath;

    // Restore native methods
    Game.SetResearch      = swapped.SetResearch;
    Game.Popup            = swapped.Popup;
    Game.Win              = swapped.Win;
    Game.Unlock           = swapped.Unlock;
    Game.CollectWrinklers = swapped.Collect;

    return income - Game[statistic];
};