Since chests haven't come then. Besides the trick of getting about 12 more slots. If you have any items that can go in furnaces, a lot that take space in your furnace, then do this.Take any room of your house,cave or other. Destroy the floor and replace it with furnaces. You can put items in it, but make sure to only fill one apace per furnace, then otherwise you would be making stuff. It is a way to kinda replace chests till they come, plus it is an awesome floor pattern.