You'll be making a bucket load of kindling not so much fire wood haha
Tallarook has Grey box, a mate of mine has some property right on the edge of tallarook and i went down there and cut up some dead dry trees and maaate they burn hot and leave a ton of coals.
During autumn and spring we have collection areas that allow you to take 2 ton a day of mountain ash that the dse/depi drop for you to cut up
Thats nice looking leather, lol i rekon you'd need half a cow for that big knife hahaa