Free Monkey Farner

 {
              "Name": "Monkey Farmer",
              "Description": "Farmer will auto-gather all Bananas in his radius so you don't have to! You must have a Banana Farm to use him.",
              "Icon": "shop_farmer.json",
              "Cost": "0",
              "CostInCents": 0,
              "CostType": "Medallions",
              "UnlockType": "OneUseTower",
              "TowerType": "MonkeyFarmer",
              "ProductID": "MonkeyFarmer",
              "Tags": [
                       "SPECIAL",
                       "TOWER",
                       "INVENTORY"
                       ]
              },

[Should make all Monkey Farmers free, let me know if it doesn't, btw don't paste this lol]