I've just been reading about the tax a Christian peasant had to pay in Outremer, it's pretty bloody steep. But apparently Outremer peasants were considerably better off than the Muslim and European counterparts. The Islamic states had even higher tax rates than Outremer and the Europeans had considerable boon work obligations which didn't occur in Outremer.
Is there any way that this situation could be altered or manipulated to increase the Christian powerbase in Outremer? Perhaps Christians get taxed off their land in Islamic states and migrate to Outremer, or more European pilgrims settle in Outremer for this reason? Is this the sort of thing that can make Outremer viable, an advantageous social movement rather than a victorious battle?