since your too lazy to do the math i did it cannonballs buying steel bars 624ea to make cannon balls 190ea=760 760-624=136gp profit from 1 steel bar steel bar buying 2 coal 185ea/1 iron 100ea=470gp 624-470=154gp profit cannon balls also take longer to make
if you are looking to just train range and not care about 10k loss in arrows per hour then flesh crawlers are the way to go rune full helm green dhide all the other stuff 2k bronze arrows head to flesh crawlers northwest room or southeast room depending on lvl