Commercial Wizard is a side quest which offers rewards for upgrading the Trading Post.

Commercial Wizard — Upgrade the Trading Post (edit)
Requirement Reward
Upgrade Trading Post to Level 2 Resource icon food 1,000
Resource icon wood 1,000
Upgrade Trading Post to Level 3 Resource icon food 1,250
Resource icon wood 2,750
Upgrade Trading Post to Level 4 Resource icon food 2,000
Resource icon wood 3,750
Upgrade Trading Post to Level 5 Resource icon food 9,000
Resource icon wood 12,750
Upgrade Trading Post to Level 16 Resource icon food 52,250
Resource icon wood 79,000
Resource icon stone 31,000
Upgrade Trading Post to Level 17 Resource icon food 78,250
Resource icon wood 118,500
Resource icon stone 46,500
Upgrade Trading Post to Level 18 Resource icon food 119,250
Resource icon wood 178,000
Resource icon stone 71,000
Upgrade Trading Post to Level 19 Resource icon food 178,750
Resource icon wood 268,250
Resource icon stone 106,250
Upgrade Trading Post to Level 20 Resource icon food 268,000
Resource icon wood 403,500
Resource icon stone 159,250
OverviewDaily ObjectivesMain Quest Line
Side Quests
Building WallWatchtowerCastle
FarmLumber MillQuarryGoldmine
BarracksArchery RangeStableSiege Workshop
StorehouseHospitalTavernAlliance CenterScout CampTrading PostAcademy
ChiselWritingMetalworkingHandcartMultilayer StructurePlacer MiningWheel
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BucklerLeather ArmorScale ArmorEnhanced Axle
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Gathering FoodWoodStoneGoldOverall Gathering
Production FoodWoodStoneGold
Collect FoodWoodStoneGold
Barbarians Defeat OnceDefeat 3xDefeat Many
Defeat Fort OnceDefeat Fort Many
Training InfantryArcherCavalrySiege Unit
CommandersCommanders SkillsCommanders Talents
Exploration Tribal VillagesCavesPassesHoly SitesSending Troops
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