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Gold income is reduced by upkeep.
- Gold mines
- Selling items
- Unsommuning buildings
- Gold Coins (a power up similar to tomes, that gives gold to the player)
- Gold from allies
- Units, buildings and upgrades of the player's techtree
- Repairing buildings and mechanical units
- Reviving heroes at the altar or Tavern
- Items from player shops, Goblin Merchants or Marketplaces
- Units from neutral buildings (Mercenary Camp, Goblin Laboratory, Tavern and Dragon Roosts)
- Reveal at the Goblin Laboratory
- Peasant's power-building
- Gold to allies