Elemental Earth is used primarily by Alchemists to make several kinds of potions. These Potions are much needed for Raids, which is why a single Elemental earth can sell for several gold. On my Server, I regularly sell my farmed Elemental Earth for 2g, and it sell very well at that price.
Vanilla Heavy Leather Farming Locations
Heavy Leather can generally be skinned from Beasts around level 35-40. It is also obtainable from lower levels, but the chances are worse. If you are farming Heavy Leather for gold, I advise looking for mobs at level 35+. The gold per hour is…
Farming Copper to make gold in Classic WoW
When I tried this route, my warrior was level 8. I went into each of the caves once, and I did the whole circuit once in about 30 minutes, getting a total of 74 Copper Ore. That makes roughly 7-8 stacks per hour…