Effectively free if you happen to live in Kagoshima City: http://www.city.kagoshima.lg.jp/soumu/shichoshitu/kokusai/en/garbage/ash.html http://www.city.kagoshi

Effectively free if you happen to live in Kagoshima City: http://www.city.kagoshima.lg.jp/soumu/shichoshitu/kokusai/en/garbage/ash.html http://www.city.kagoshima.lg.jp/soumu/shichoshitu/kokusai/en... Just go to the closest ash collection spot and pickup as much as you need. ;-)