Load the savegame file into a hex editor and change the offsets 87.990, 87.991 and 87.992 to FF. Now you have tons of money. At beginning of the game build a castle of 1 stone and 1 wood or as low as possible. As soon as it is built extend it and make it so you need 100 stone and wood. you don't need to let it build, as soon as you leave the castle screen demolish the castle. This will give you 65,000 tons of stone and wood.
