diff --git a/dependency-reduced-pom.xml b/dependency-reduced-pom.xml
index e90a235..b4974a5 100644
--- a/dependency-reduced-pom.xml
+++ b/dependency-reduced-pom.xml
@@ -46,6 +46,10 @@
       <id>spigotmc-repo</id>
       <url>https://hub.spigotmc.org/nexus/content/groups/public/</url>
     </repository>
+    <repository>
+      <id>jitpack.io</id>
+      <url>https://jitpack.io</url>
+    </repository>
   </repositories>
   <dependencies>
     <dependency>
@@ -78,6 +82,12 @@
       <version>1.14.3-R0.1-SNAPSHOT</version>
       <scope>provided</scope>
     </dependency>
+    <dependency>
+      <groupId>com.github.MilkBowl</groupId>
+      <artifactId>VaultAPI</artifactId>
+      <version>1.7</version>
+      <scope>provided</scope>
+    </dependency>
   </dependencies>
   <properties>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
diff --git a/pom.xml b/pom.xml
index a243741..d5a22bd 100644
--- a/pom.xml
+++ b/pom.xml
@@ -59,6 +59,10 @@
             <id>spigotmc-repo</id>
             <url>https://hub.spigotmc.org/nexus/content/groups/public/</url>
         </repository>
+        <repository>
+            <id>jitpack.io</id>
+            <url>https://jitpack.io</url>
+        </repository>
     </repositories>
 
     <dependencies>
@@ -79,5 +83,11 @@
             <artifactId>commons-codec</artifactId>
             <version>1.10</version>
         </dependency>
+        <dependency>
+            <groupId>com.github.MilkBowl</groupId>
+            <artifactId>VaultAPI</artifactId>
+            <version>1.7</version>
+            <scope>provided</scope>
+        </dependency>
     </dependencies>
 </project>
diff --git a/src/main/java/com/kiranhart/auctionhouse/inventory/inventories/AuctionGUI.java b/src/main/java/com/kiranhart/auctionhouse/inventory/inventories/AuctionGUI.java
index 52647fd..881efd1 100644
--- a/src/main/java/com/kiranhart/auctionhouse/inventory/inventories/AuctionGUI.java
+++ b/src/main/java/com/kiranhart/auctionhouse/inventory/inventories/AuctionGUI.java
@@ -7,25 +7,123 @@ package com.kiranhart.auctionhouse.inventory.inventories;
     Code within this class is not to be redistributed without proper permission.
 */
 
+import com.google.common.collect.Lists;
+import com.kiranhart.auctionhouse.Core;
+import com.kiranhart.auctionhouse.api.statics.AuctionSettings;
+import com.kiranhart.auctionhouse.api.version.NBTEditor;
+import com.kiranhart.auctionhouse.api.version.XMaterial;
+import com.kiranhart.auctionhouse.auction.AuctionItem;
 import com.kiranhart.auctionhouse.inventory.AGUI;
+import com.kiranhart.auctionhouse.util.Debugger;
+import org.bukkit.entity.Player;
+import org.bukkit.event.inventory.ClickType;
 import org.bukkit.event.inventory.InventoryClickEvent;
 import org.bukkit.event.inventory.InventoryCloseEvent;
 import org.bukkit.inventory.Inventory;
 import org.bukkit.inventory.ItemStack;
 
+import java.util.List;
+
 public class AuctionGUI implements AGUI {
 
+    private Player p;
+    private List<List<AuctionItem>> chunks;
+
+    public AuctionGUI(Player p) {
+        this.p = p;
+        chunks = Lists.partition(Core.getInstance().getAuctionItems(), 45);
+    }
+
+    private int page = 1;
+
     @Override
     public void click(InventoryClickEvent e, ItemStack clicked, int slot) {
+        e.setCancelled(true);
+        Player p = (Player) e.getWhoClicked();
 
-    }
+        /*
+        Page navigation system
+         */
 
-    @Override
-    public void close(InventoryCloseEvent e) {
+        try {
+            if (page >= 1 && slot == 48) p.openInventory(setPage(this.getPage() - 1).getInventory());
+            if (page >= 1 && slot == 50) p.openInventory(setPage(this.getPage() + 1).getInventory());
+        } catch (Exception ex) {
+            Debugger.report(ex, false);
+        }
+
+        //Different auction inventories
+        //Refresh Auction GUI
+        if (slot == 49) {
+
+            return;
+        }
+
+        //Open Listings GUI
+        if (slot == 45) {
+
+            return;
+        }
+
+        //Open Expired GUI
+        if (slot == 46) {
+
+            return;
+        }
+
+        //Open Transaction Selection GUI
+        if (slot == 51) {
+
+            return;
+        }
+
+        //Clicking on active auction items.
+        //Check if air
+        if (clicked == null || clicked.getType() == XMaterial.AIR.parseMaterial()) {
+            return;
+        }
+
+        AuctionItem possibleAuctionItem = null;
+
+        /*
+        Perform the proper steps if the user left-clicks (not using bid system)
+         */
+        if (e.getClick() == ClickType.LEFT) {
+            //Check if the bid system is set to false
+            if (!AuctionSettings.USE_BIDDING_SYSTEM) {
+                return;
+            }
+
+            //Get the key of the auction item
+            String auctionItemKey = NBTEditor.getString(clicked, "AuctionItemKey");
+            for (AuctionItem auctionItem : Core.getInstance().getAuctionItems()) {
+                if (auctionItem.getKey().equalsIgnoreCase(auctionItemKey)) possibleAuctionItem = auctionItem;
+            }
+
+
+
+            return;
+        }
     }
 
     @Override
     public Inventory getInventory() {
         return null;
     }
+
+    @Override
+    public void close(InventoryCloseEvent e) {
+    }
+
+    public AuctionGUI setPage(int page) {
+        if (page <= 0)
+            this.page = 1;
+        else
+            this.page = page;
+        return this;
+    }
+
+    public int getPage() {
+        return page;
+    }
 }
diff --git a/src/main/java/com/kiranhart/auctionhouse/util/Debugger.java b/src/main/java/com/kiranhart/auctionhouse/util/Debugger.java
index 2f9abd0..50ac9c3 100644
--- a/src/main/java/com/kiranhart/auctionhouse/util/Debugger.java
+++ b/src/main/java/com/kiranhart/auctionhouse/util/Debugger.java
@@ -27,4 +27,8 @@ public class Debugger {
             Bukkit.getConsoleSender().sendMessage(translateAlternateColorCodes('&', "&b================================================================"));
         }
     }
+
+    public static void report(Exception e, boolean show) {
+        if (show) report(e);
+    }
 }
diff --git a/src/main/java/com/kiranhart/auctionhouse/util/economy/Economy.java b/src/main/java/com/kiranhart/auctionhouse/util/economy/Economy.java
new file mode 100644
index 0000000..8c50b74
--- /dev/null
+++ b/src/main/java/com/kiranhart/auctionhouse/util/economy/Economy.java
@@ -0,0 +1,19 @@
+package com.kiranhart.auctionhouse.util.economy;
+/*
+    The current file was created by Kiran Hart
+    Date: August 05 2019
+    Time: 9:06 PM
+    
+    Code within this class is not to be redistributed without proper permission.
+*/
+
+import org.bukkit.OfflinePlayer;
+
+public interface Economy {
+
+    boolean hasBalance(OfflinePlayer p, double cost);
+
+    boolean withdrawBalance(OfflinePlayer p, double cost);
+
+    boolean deposit(OfflinePlayer p, double amount);
+}
diff --git a/src/main/java/com/kiranhart/auctionhouse/util/economy/VaultEconomy.java b/src/main/java/com/kiranhart/auctionhouse/util/economy/VaultEconomy.java
new file mode 100644
index 0000000..58e1d49
--- /dev/null
+++ b/src/main/java/com/kiranhart/auctionhouse/util/economy/VaultEconomy.java
@@ -0,0 +1,11 @@
+package com.kiranhart.auctionhouse.util.economy;
+/*
+    The current file was created by Kiran Hart
+    Date: August 05 2019
+    Time: 9:13 PM
+    
+    Code within this class is not to be redistributed without proper permission.
+*/
+
+public class VaultEconomy {
+}