Getting tired of this game so I will tell you the fastest way to make gil and depending on how much you want to make is up to you. You have a level 50 LNC hope DRG but you should be burning Castrum for 100 Phil. Tomes per run then you check you market board and see which item sell for the most Peacock Ore, Potash, Animal Fat, Coke or w/e they cost 125 phil tomes each and can sell for up to 100k each you can make 1mil a day easy.