diff --git a/src/main/java/com/alttd/playershops/PlayerShops.java b/src/main/java/com/alttd/playershops/PlayerShops.java
index 02f8c7d..2798b6a 100644
--- a/src/main/java/com/alttd/playershops/PlayerShops.java
+++ b/src/main/java/com/alttd/playershops/PlayerShops.java
@@ -2,6 +2,8 @@ package com.alttd.playershops;
 
 import com.alttd.playershops.config.Config;
 import com.alttd.playershops.handler.ShopHandler;
+import com.alttd.playershops.listener.PlayerListener;
+import com.alttd.playershops.listener.ShopListener;
 import lombok.Getter;
 import net.milkbowl.vault.economy.Economy;
 import org.bukkit.Bukkit;
@@ -17,6 +19,9 @@ public class PlayerShops extends JavaPlugin {
     @Getter
     private ShopHandler shopHandler;
 
+    private ShopListener shopListener;
+    private PlayerListener playerListener;
+
     public void onEnable() {
         instance = this;
         if(!setupEconomy()) {
@@ -51,7 +56,15 @@ public class PlayerShops extends JavaPlugin {
     }
 
     private void registerListeners() {
+        shopListener = new ShopListener();
+        shopListener.register(this);
+        playerListener = new PlayerListener();
+        playerListener.register(this);
+    }
 
+    private void UnregisterListeners() {
+        shopListener.unregister();
+        playerListener.unregister();
     }
 
     private void registerCommands() {
diff --git a/src/main/java/com/alttd/playershops/listener/EventListener.java b/src/main/java/com/alttd/playershops/listener/EventListener.java
index b9be021..54aa0fb 100644
--- a/src/main/java/com/alttd/playershops/listener/EventListener.java
+++ b/src/main/java/com/alttd/playershops/listener/EventListener.java
@@ -8,12 +8,12 @@ import org.bukkit.plugin.java.JavaPlugin;
 public class EventListener implements Listener {
     protected boolean isRegistered = false;
 
-    protected void register(JavaPlugin instance) {
+    public void register(JavaPlugin instance) {
         Bukkit.getServer().getPluginManager().registerEvents(this, instance);
         isRegistered = true;
     }
 
-    protected void unregister() {
+    public void unregister() {
         HandlerList.unregisterAll(this);
         isRegistered = false;
     }
diff --git a/src/main/java/com/alttd/playershops/listener/PlayerListener.java b/src/main/java/com/alttd/playershops/listener/PlayerListener.java
new file mode 100644
index 0000000..fcf5964
--- /dev/null
+++ b/src/main/java/com/alttd/playershops/listener/PlayerListener.java
@@ -0,0 +1,4 @@
+package com.alttd.playershops.listener;
+
+public class PlayerListener extends EventListener {
+}
diff --git a/src/main/java/com/alttd/playershops/listener/ShopListener.java b/src/main/java/com/alttd/playershops/listener/ShopListener.java
new file mode 100644
index 0000000..d527a95
--- /dev/null
+++ b/src/main/java/com/alttd/playershops/listener/ShopListener.java
@@ -0,0 +1,4 @@
+package com.alttd.playershops.listener;
+
+public class ShopListener extends EventListener {
+}
diff --git a/src/main/java/com/alttd/playershops/shop/AbstractShop.java b/src/main/java/com/alttd/playershops/shop/AbstractShop.java
index 211d7d9..7c19986 100644
--- a/src/main/java/com/alttd/playershops/shop/AbstractShop.java
+++ b/src/main/java/com/alttd/playershops/shop/AbstractShop.java
@@ -1,5 +1,70 @@
 package com.alttd.playershops.shop;
 
+import lombok.Getter;
+import lombok.Setter;
+import org.bukkit.Bukkit;
+import org.bukkit.ChatColor;
+import org.bukkit.Location;
+import org.bukkit.block.data.Directional;
+import org.bukkit.inventory.ItemStack;
+
+import java.util.UUID;
+
 public abstract class AbstractShop {
 
+    @Getter
+    private int id;
+    private String ownerName;
+    @Getter
+    private UUID ownerUUID;
+    @Getter @Setter
+    private ShopType type;
+    @Getter
+    private Location signLocation;
+    @Getter
+    private Location containerLocation;
+    @Getter
+    private String server;
+    @Getter @Setter
+    private double price;
+    @Getter @Setter
+    private int amount;
+    @Getter @Setter
+    private double balance;
+    @Getter @Setter
+    private ItemStack itemStack;
+    @Getter @Setter
+    private ItemStack secondaryItem;
+    @Getter @Setter
+    private long lastTransaction;
+
+    AbstractShop(Location signLocation, UUID uuid, double price, int amount) {
+        this.signLocation = signLocation;
+        if (signLocation != null) {
+            Directional sign = (Directional) signLocation.getBlock().getState().getBlockData();
+            this.containerLocation = signLocation.getBlock().getRelative(sign.getFacing().getOppositeFace()).getLocation();
+        }
+        this.ownerUUID = uuid;
+        ownerName = getOwnerName();
+        this.price = price;
+        this.amount = amount;
+    }
+
+    public static AbstractShop create(Location signLocation, UUID player, double price, int amount, ShopType shopType) {
+        return switch (shopType) {
+            case SELL -> new SellShop(signLocation, player, price, amount);
+            case BUY -> new BuyShop(signLocation, player, price, amount);
+            case GAMBLE -> new GambleShop(signLocation, player, price, amount);
+            case BARTER -> new BarterShop(signLocation, player, price, amount);
+        };
+    }
+
+    public String getOwnerName() {
+        if(this.ownerName != null) return ownerName;
+        if (this.getOwnerUUID() != null) {
+            ownerName = Bukkit.getOfflinePlayer(this.getOwnerUUID()).getName();
+            return ownerName;
+        }
+        return ChatColor.RED + "[CLOSED]";
+    }
 }
diff --git a/src/main/java/com/alttd/playershops/shop/BarterShop.java b/src/main/java/com/alttd/playershops/shop/BarterShop.java
new file mode 100644
index 0000000..64f2964
--- /dev/null
+++ b/src/main/java/com/alttd/playershops/shop/BarterShop.java
@@ -0,0 +1,15 @@
+package com.alttd.playershops.shop;
+
+import org.bukkit.Location;
+
+import java.util.UUID;
+
+public class BarterShop extends AbstractShop {
+
+    public BarterShop(Location location, UUID player, double price, int amount) {
+        super(location, player, price, amount);
+
+        this.setType(ShopType.BARTER);
+    }
+
+}
diff --git a/src/main/java/com/alttd/playershops/shop/BuyShop.java b/src/main/java/com/alttd/playershops/shop/BuyShop.java
new file mode 100644
index 0000000..03da9dd
--- /dev/null
+++ b/src/main/java/com/alttd/playershops/shop/BuyShop.java
@@ -0,0 +1,15 @@
+package com.alttd.playershops.shop;
+
+import org.bukkit.Location;
+
+import java.util.UUID;
+
+public class BuyShop extends AbstractShop {
+
+    public BuyShop(Location location, UUID player, double price, int amount) {
+        super(location, player, price, amount);
+
+        this.setType(ShopType.BUY);
+    }
+
+}
diff --git a/src/main/java/com/alttd/playershops/shop/GambleShop.java b/src/main/java/com/alttd/playershops/shop/GambleShop.java
new file mode 100644
index 0000000..cbe3698
--- /dev/null
+++ b/src/main/java/com/alttd/playershops/shop/GambleShop.java
@@ -0,0 +1,19 @@
+package com.alttd.playershops.shop;
+
+import org.bukkit.Location;
+import org.bukkit.inventory.ItemStack;
+
+import java.util.UUID;
+
+public class GambleShop extends AbstractShop {
+
+    private ItemStack gambleItem;
+
+    public GambleShop(Location location, UUID player, double price, int amount) {
+        super(location, player, price, amount);
+
+        this.setType(ShopType.GAMBLE);
+        this.gambleItem = this.getItemStack();
+    }
+
+}
diff --git a/src/main/java/com/alttd/playershops/shop/SellShop.java b/src/main/java/com/alttd/playershops/shop/SellShop.java
new file mode 100644
index 0000000..a39cc16
--- /dev/null
+++ b/src/main/java/com/alttd/playershops/shop/SellShop.java
@@ -0,0 +1,15 @@
+package com.alttd.playershops.shop;
+
+import org.bukkit.Location;
+
+import java.util.UUID;
+
+public class SellShop extends AbstractShop {
+
+    public SellShop(Location location, UUID player, double price, int amount) {
+        super(location, player, price, amount);
+
+        this.setType(ShopType.SELL);
+    }
+
+}
diff --git a/src/main/java/com/alttd/playershops/shop/ShopTransaction.java b/src/main/java/com/alttd/playershops/shop/ShopTransaction.java
new file mode 100755
index 0000000..cfa5ab9
--- /dev/null
+++ b/src/main/java/com/alttd/playershops/shop/ShopTransaction.java
@@ -0,0 +1,13 @@
+package com.alttd.playershops.shop;
+
+public class ShopTransaction {
+
+    public enum ShopTransactionError {
+        CANCELLED,
+        INSUFFICIENT_FUNDS_SHOP,
+        INSUFFICIENT_FUNDS_PLAYER,
+        INVENTORY_FULL_SHOP,
+        INVENTORY_FULL_PLAYER,
+        NONE;
+    }
+}
diff --git a/src/main/java/com/alttd/playershops/shop/ShopTransactionError.java b/src/main/java/com/alttd/playershops/shop/ShopTransactionError.java
new file mode 100755
index 0000000..5affe5a
--- /dev/null
+++ b/src/main/java/com/alttd/playershops/shop/ShopTransactionError.java
@@ -0,0 +1,10 @@
+package com.alttd.playershops.shop;
+
+public enum ShopTransactionError {
+    CANCELLED,
+    INSUFFICIENT_FUNDS_SHOP,
+    INSUFFICIENT_FUNDS_PLAYER,
+    INVENTORY_FULL_SHOP,
+    INVENTORY_FULL_PLAYER,
+    NONE;
+}