Gold is the primary resource in warcraft 3. It is used to train units, build buildings, research upgrades and buy items.
Gold income is reduced by upkeep.
|Balance Patch History
|| We have made modifications to how gold is mined. Although these changes are somewhat difficult to describe, the effect is that in almost all cases, 5 peons are required for an Orc or Human to mine a gold mine at maximum efficiency (assuming the town hall equivalent is as close as possible).