diff --git a/pom.xml b/pom.xml
index 68857f9..0b380fa 100644
--- a/pom.xml
+++ b/pom.xml
@@ -6,7 +6,7 @@
 
     <groupId>me.olliejw</groupId>
     <artifactId>OreMarket</artifactId>
-    <version>2.3.2</version>
+    <version>2.5.0</version>
     <packaging>jar</packaging>
 
     <name>OreMarket</name>
diff --git a/src/main/java/me/olliejw/oremarket/OreMarket.java b/src/main/java/me/olliejw/oremarket/OreMarket.java
index 8760801..29998ee 100644
--- a/src/main/java/me/olliejw/oremarket/OreMarket.java
+++ b/src/main/java/me/olliejw/oremarket/OreMarket.java
@@ -181,27 +181,28 @@ public static Economy getEconomy() {
     }
 
     public void logToFile(String string) {
-        try {
-            File dataFolder = getDataFolder();
-            if(!dataFolder.exists()) {
-                dataFolder.mkdir();
-            }
-            File logsFile = new File(getDataFolder(), "logs.txt");
-            if (!logsFile.exists()) {
-                logsFile.createNewFile();
+        if (getConfig().getBoolean("logs.enabled"))
+            try {
+                File dataFolder = getDataFolder();
+                if(!dataFolder.exists()) {
+                    dataFolder.mkdir();
+                }
+                File logsFile = new File(getDataFolder(), "logs.txt");
+                if (!logsFile.exists()) {
+                    logsFile.createNewFile();
+                }
+
+                SimpleDateFormat formatter = new SimpleDateFormat("[dd/MM/yyyy HH:mm:ss]: ");
+                Date date = new Date(System.currentTimeMillis());
+
+                FileWriter fw = new FileWriter(logsFile, true);
+                PrintWriter pw = new PrintWriter(fw);
+                pw.println(formatter.format(date) + ChatColor.stripColor(string.replaceAll("&", "§")));
+                pw.flush();
+                pw.close();
+            } catch (IOException e) {
+                e.printStackTrace();
             }
-
-            SimpleDateFormat formatter = new SimpleDateFormat("[dd/MM/yyyy HH:mm:ss]: ");
-            Date date = new Date(System.currentTimeMillis());
-
-            FileWriter fw = new FileWriter(logsFile, true);
-            PrintWriter pw = new PrintWriter(fw);
-            pw.println(formatter.format(date) + ChatColor.stripColor(string.replaceAll("&", "§")));
-            pw.flush();
-            pw.close();
-        } catch (IOException e) {
-            e.printStackTrace();
-        }
     }
 }
 
diff --git a/src/main/java/me/olliejw/oremarket/chat/ValueUpdates.java b/src/main/java/me/olliejw/oremarket/chat/ValueUpdates.java
index 769a6ce..d6bb290 100644
--- a/src/main/java/me/olliejw/oremarket/chat/ValueUpdates.java
+++ b/src/main/java/me/olliejw/oremarket/chat/ValueUpdates.java
@@ -22,7 +22,7 @@ public void announceValue() {
                     assert message != null;
 
                     for (Player player: Bukkit.getOnlinePlayers()) {
-                        if (keySection.getBoolean("hide")) {
+                        if (keySection.getBoolean(".flags.hide")) {
                             return;
                         }
                         player.sendMessage(plh.format(message, player, keySection));
diff --git a/src/main/java/me/olliejw/oremarket/listeners/InventoryEvents.java b/src/main/java/me/olliejw/oremarket/listeners/InventoryEvents.java
index e17e55d..62dfef2 100644
--- a/src/main/java/me/olliejw/oremarket/listeners/InventoryEvents.java
+++ b/src/main/java/me/olliejw/oremarket/listeners/InventoryEvents.java
@@ -19,30 +19,37 @@
 import java.util.Objects;
 
 public class InventoryEvents implements Listener {
-    private double calculateTotalWithTax(double price, boolean operation) {
+    private double calculateTotalWithTax(double price) {
         double tax = OreMarket.main().getConfig().getDouble("tax", 0.0);
-        double total;
-        if (tax == 0.0) {
-            total = price;
-        } else {
-            if (operation) {
-                    total = (price + (price * (tax/100)));
-            } else {
-                total = (price - (price * (tax/100)));
-            }
-        }
-        return total;
+        return price - (tax/100);
     }
-    private void changePlayerBalance(double Money, HumanEntity player, boolean operation, int Slot) { // Buy
-        double total = calculateTotalWithTax(Money, operation);
-        if (Money > 0) {
-            if (operation) { // true is take, false is give
-                OreMarket.getEconomy().withdrawPlayer((OfflinePlayer) player, total);
+    private void changePlayerBalance(double previous, HumanEntity player, boolean operation, int Slot) { // Buy
+        /**
+         @param previous = Ore Value before any changes
+         @param player = Player whose balance will be changes
+         @param operation = T=Add F=Remove money
+         @param slot = Slot's ore that's value will be affected
+         */
+
+        double total = calculateTotalWithTax(previous);
+
+        if (previous > 0) {
+            if (operation) {
+                OreMarket.getEconomy().withdrawPlayer((OfflinePlayer) player, previous-(total*OreMarket.main().getConfig().getDouble("multiplier")));
+                OreMarket.main().getGuiConfig().set("items." + Slot + ".value",
+                        previous+(total*OreMarket.main().getConfig().getDouble("multiplier")));
+                        // 1000 + (120 x 0.01)
+                        // 1000 + 1.12
+                        // 1000 -> 1001.12
             } else {
-                OreMarket.getEconomy().depositPlayer((OfflinePlayer) player, total);
+                OreMarket.getEconomy().depositPlayer((OfflinePlayer) player, previous-(total*OreMarket.main().getConfig().getDouble("multiplier")));
+                OreMarket.main().getGuiConfig().set("items." + Slot + ".value",
+                        previous-(total*OreMarket.main().getConfig().getDouble("multiplier")));
+                        // 1000 - (80 x 0.01)
+                        // 1000 - 0.08
+                        // 1000 -> 999.92
             }
         }
-        OreMarket.main().getGuiConfig().set("items." + Slot + ".value", total+(total*(OreMarket.main().getConfig().getDouble("multiplier", 0.01))));
         OreMarket.main().saveGuiConfig();
     }
     private double balance (HumanEntity Player) {
diff --git a/src/main/java/me/olliejw/oremarket/menus/MainGUI.java b/src/main/java/me/olliejw/oremarket/menus/MainGUI.java
index 6c94153..12c00f4 100644
--- a/src/main/java/me/olliejw/oremarket/menus/MainGUI.java
+++ b/src/main/java/me/olliejw/oremarket/menus/MainGUI.java
@@ -44,7 +44,11 @@ public void createGUI (Player player) {
             }
 
             // Set values
-            assert name != null;
+            if (name == null) {
+                // If a name is not given, we will make it blank
+                name = " ";
+            }
+
             meta.setDisplayName(plh.format(name, player, keySection));
             meta.setLore(lore);
             item.setItemMeta(meta);
diff --git a/src/main/resources/config.yml b/src/main/resources/config.yml
index 60944c1..1a9f72c 100644
--- a/src/main/resources/config.yml
+++ b/src/main/resources/config.yml
@@ -4,6 +4,10 @@
 
 prefix: '&bOreMarket '
 
+# Logs.txt settings. More soon
+logs:
+  enabled: true
+
 valuemessage:
   enabled: true
   # Time (in minutes) to send this message
diff --git a/src/main/resources/gui.yml b/src/main/resources/gui.yml
index e51d589..e3fac55 100644
--- a/src/main/resources/gui.yml
+++ b/src/main/resources/gui.yml
@@ -5,7 +5,9 @@ gui:
   rows: 3
 
 items:
-  0:
+
+  # Buyable items
+  '11':
     item: DIAMOND
     name: '&bDiamond Ore'
     lore:
@@ -17,11 +19,11 @@ items:
       - '&7Left-Click to sell'
     cost: 1000
     value: 1000
-    stock: 100
+    stock: 25
     flags:
       buy-sound: BLOCK_ANVIL_PLACE
       sell-sound: BLOCK_CHEST_OPEN
-  1:
+  '12':
     item: GOLD_INGOT
     name: '&6Gold Ingot'
     lore:
@@ -33,9 +35,8 @@ items:
       - '&7Left-Click to sell'
     cost: 500
     value: 500
-    stock: 100
-
-  2:
+    stock: 50
+  '13':
     item: IRON_INGOT
     name: '&7Iron Ore'
     lore:
@@ -48,8 +49,44 @@ items:
     cost: 250
     value: 250
     stock: 100
+  '14':
+    item: NETHERITE_INGOT
+    name: '&dNetherite Ore'
+    lore:
+      - '&aValue: $[value]'
+      - '&aOriginal: $[cost]'
+      - '&aStock: [stock]'
+      - '&aChange: [percent]%'
+      - '&7Right-Click to buy'
+      - '&7Left-Click to sell'
+    cost: 2500
+    value: 2500
+    stock: 10
+  '15':
+    item: EMERALD
+    name: '&aEmerald'
+    lore:
+      - '&aValue: $[value]'
+      - '&aOriginal: $[cost]'
+      - '&aStock: [stock]'
+      - '&aChange: [percent]%'
+      - '&7Right-Click to buy'
+      - '&7Left-Click to sell'
+    cost: 1250
+    value: 1250
+    stock: 15
 
-  5:
+  # Command Items
+  '18':
+    item: PAPER
+    name: '&aBalance'
+    lore:
+      - '&a$[balance]'
+    commands:
+      - '[msg] Your balance: [balance]'
+    flags:
+      hide: true
+  '26':
     item: BARRIER
     name: '&cClose'
     lore:
@@ -59,12 +96,104 @@ items:
     flags:
       hide: true
 
-  6:
-    item: PAPER
-    name: '&aBalance'
-    lore:
-      - '&a$[balance]'
-    commands:
-      - '[msg] Your balance: [balance]'
+  # Style items
+  '9':
+    item: RED_STAINED_GLASS_PANE
+    name: ' '
+    flags:
+      hide: true
+  '0':
+    item: RED_STAINED_GLASS_PANE
+    name: ' '
+    flags:
+      hide: true
+  '1':
+    item: RED_STAINED_GLASS_PANE
+    name: ' '
     flags:
-      hide: true
\ No newline at end of file
+      hide: true
+  '2':
+    item: RED_STAINED_GLASS_PANE
+    name: ' '
+    flags:
+      hide: true
+  '3':
+    item: RED_STAINED_GLASS_PANE
+    name: ' '
+    flags:
+      hide: true
+  '4':
+    item: RED_STAINED_GLASS_PANE
+    name: ' '
+    flags:
+      hide: true
+  '5':
+    item: RED_STAINED_GLASS_PANE
+    name: ' '
+    flags:
+      hide: true
+  '6':
+    item: RED_STAINED_GLASS_PANE
+    name: ' '
+    flags:
+      hide: true
+  '7':
+    item: RED_STAINED_GLASS_PANE
+    name: ' '
+    flags:
+      hide: true
+  '8':
+    item: RED_STAINED_GLASS_PANE
+    name: ' '
+    flags:
+      hide: true
+  '17':
+    item: RED_STAINED_GLASS_PANE
+    name: ' '
+    flags:
+      hide: true
+  '19':
+    item: RED_STAINED_GLASS_PANE
+    name: ' '
+    flags:
+      hide: true
+  '20':
+    item: RED_STAINED_GLASS_PANE
+    name: ' '
+    flags:
+      hide: true
+  '21':
+    item: RED_STAINED_GLASS_PANE
+    name: ' '
+    flags:
+      hide: true
+  '22':
+    item: RED_STAINED_GLASS_PANE
+    name: ' '
+    flags:
+      hide: true
+  '23':
+    item: RED_STAINED_GLASS_PANE
+    name: ' '
+    flags:
+      hide: true
+  '24':
+    item: RED_STAINED_GLASS_PANE
+    name: ' '
+    flags:
+      hide: true
+  '25':
+    item: RED_STAINED_GLASS_PANE
+    name: ' '
+    flags:
+      hide: true
+  '10':
+    item: GREEN_STAINED_GLASS_PANE
+    name: ' '
+    flags:
+      hide: true
+  '16':
+    item: GREEN_STAINED_GLASS_PANE
+    name: ' '
+    flags:
+      hide: true