diff --git a/src/engine/net/client/ClientMessagePump.java b/src/engine/net/client/ClientMessagePump.java
index 3b07a126..4a0b96a4 100644
--- a/src/engine/net/client/ClientMessagePump.java
+++ b/src/engine/net/client/ClientMessagePump.java
@@ -1428,7 +1428,7 @@ public class ClientMessagePump implements NetMsgHandler {
                                     bargain = 0;
                                     break;
                                 case 900:
-                                    cost = ib.getBaseValue() * Warehouse.getSellStackSize(ib.getUUID());
+                                    cost = Warehouse.getCostForResource(ib.getUUID()) * Warehouse.getSellStackSize(ib.getUUID());
                                     bargain = 0;
                                     break;
                             }
diff --git a/src/engine/objects/Mine.java b/src/engine/objects/Mine.java
index 34f6a81c..b6f9bca5 100644
--- a/src/engine/objects/Mine.java
+++ b/src/engine/objects/Mine.java
@@ -562,7 +562,6 @@ public class Mine extends AbstractGameObject {
         ItemBase resourceBase = ItemBase.getItemBase(this.production.UUID);
         if(resourceBase == null)
             return 0;
-
         int value = resourceBase.getBaseValue();
 
         int amount = 0;
@@ -583,9 +582,9 @@ public class Mine extends AbstractGameObject {
         if(this.production.UUID == 7)
             value = 1;
 
-        int productionAmount = amount / value;
+        amount = amount / value;
 
-        return productionAmount;
+        return amount;
     }
     public void onEnter() {
 
diff --git a/src/engine/objects/Warehouse.java b/src/engine/objects/Warehouse.java
index 0b127a3a..b42ff1e4 100644
--- a/src/engine/objects/Warehouse.java
+++ b/src/engine/objects/Warehouse.java
@@ -281,15 +281,82 @@ public class Warehouse extends AbstractWorldObject {
 
     }
 
+    public static int getCostForResource(int id){
+        int newCost = 1;
+        switch(id){
+            case 1580000://stone
+                newCost = 3000;
+                break;
+            case 1580001://truesteel
+                newCost = 50000;
+                break;
+            case 1580002://iron
+                newCost = 50000;
+                break;
+            case 1580003://adamant
+                newCost = 100000;
+                break;
+            case 1580004://lumber
+                newCost = 3000;
+                break;
+            case 1580005://oak
+                newCost = 30000;
+                break;
+            case 1580006://bronzewood
+                newCost = 30000;
+                break;
+            case 1580007://mandrake
+                newCost = 100000;
+                break;
+            case 1580008://coal
+                newCost = 30000;
+                break;
+            case 1580009://agate
+                newCost = 50000;
+                break;
+            case 1580010://diamond
+                newCost = 50000;
+                break;
+            case 1580011://onyx
+                newCost = 100000;
+                break;
+            case 1580012://azoth
+                newCost = 50000;
+                break;
+            case 1580013://orichalk
+                newCost = 30000;
+                break;
+            case 1580014://antimony
+                newCost = 100000;
+                break;
+            case 1580015://sulfur
+                newCost = 100000;
+                break;
+            case 1580016://quicksilver
+                newCost = 100000;
+                break;
+            case 1580017://galvor
+                newCost = 300000;
+                break;
+            case 1580018://wormwood
+                newCost = 300000;
+                break;
+            case 1580019://obsidian
+                newCost = 200000;
+                break;
+            case 1580020://bloodstone
+                newCost = 200000;
+                break;
+            case 1705032:
+                newCost = 100000;
+                break;
+        }
+        return newCost;
+    }
     public static int getSellStackSize(int id){
         if(id == 1705032)
             return 10;
-        else{
-            ItemBase ib = ItemBase.getItemBase(id);
-            if(ib != null)
-                return 3000000 / ib.getBaseValue();
-        }
-        return 0; // something went wrong
+        return 3000000 / getCostForResource(id);
     }
 
     public ConcurrentHashMap<ItemBase, Integer> getResources() {