1/2 gallon jugs that he fit over the tops of the fence posts and then he takes a torch to melt the plastic until it forms like a coating on the end grain of the posts.
great idea. I was thinking a plastic milk bottle with the handle and spout cut off, just bang a flat head nail in down the side?
Good Australian box or redgum posts will last 80 years here (no treatment necessary). hard to come by now though and more expensive than concrete or treated pine.
The chap who owns the empty house block of land behing my house did some limbing on a big old 100 year old oak tree. He dropped the limbs one friday and went home. I noticed theses limbs about 35 cm (14 inch) diam. several good straight lengths. one length about 8ft the others a bit shorter. real good wood. perfect for a home wood worker.
When he came back to clean up about a fortnight later someone (who shall remain nameless had rustled his wood.