Your're doing a good job Brotoro, i've been following you since day one and the humor and attitude you use in this has always made me laugh even when i was depressed, thanks man!
5. Since smelting discards 40% of the mass as slag, you REALLY want to smelt it before launching it. Also, with the procedural tanks and KW rocketry, it is possible to launch a 350+ ton slug of metal from Kerbin.