diff --git a/src/main/java/com/badbones69/crazyauctions/api/ShopType.java b/src/main/java/com/badbones69/crazyauctions/api/ShopType.java
deleted file mode 100644
index 3c3e4ce..0000000
--- a/src/main/java/com/badbones69/crazyauctions/api/ShopType.java
+++ /dev/null
@@ -1,36 +0,0 @@
-package com.badbones69.crazyauctions.api;
-
-public enum ShopType {
-    
-    SELL("Sell"), BID("Bid");
-    
-    private final String name;
-    
-    /**
-     * @param name name of the Shop Type.
-     */
-    private ShopType(String name) {
-        this.name = name;
-    }
-    
-    /**
-     * @param name name of the Type you want.
-     * @return Returns the Type as an Enum.
-     */
-    public static ShopType getFromName(String name) {
-        for (ShopType type : ShopType.values()) {
-            if (type.getName().equalsIgnoreCase(name)) {
-                return type;
-            }
-        }
-        return null;
-    }
-    
-    /**
-     * @return Returns the type name as a string.
-     */
-    public String getName() {
-        return name;
-    }
-    
-}
\ No newline at end of file
diff --git a/src/main/java/com/badbones69/crazyauctions/api/economy/Currency.java b/src/main/java/com/badbones69/crazyauctions/api/economy/Currency.java
new file mode 100644
index 0000000..dadec63
--- /dev/null
+++ b/src/main/java/com/badbones69/crazyauctions/api/economy/Currency.java
@@ -0,0 +1,48 @@
+package com.badbones69.crazyauctions.api.economy;
+
+public enum Currency {
+    
+    VAULT("Vault"),
+    XP_LEVEL("XP_Level"),
+    XP_TOTAL("XP_Total");
+    
+    private final String name;
+    
+    Currency(String name) {
+        this.name = name;
+    }
+    
+    /**
+     * Checks if it is a compatible currency.
+     * @param currency The currency name you are checking.
+     * @return True if it is supported and false if not.
+     */
+    public static boolean isCurrency(String currency) {
+        for (Currency value : Currency.values()) {
+            if (currency.equalsIgnoreCase(value.getName())) return true;
+        }
+
+        return false;
+    }
+    
+    /**
+     * Get a currency enum.
+     * @param currency The currency you want.
+     * @return The currency enum.
+     */
+    public static Currency getCurrency(String currency) {
+        for (Currency value : Currency.values()) {
+            if (currency.equalsIgnoreCase(value.getName())) return value;
+        }
+
+        return null;
+    }
+    
+    /**
+     * Get the name of the currency.
+     * @return The name of the currency.
+     */
+    public String getName() {
+        return name;
+    }
+}
\ No newline at end of file
diff --git a/src/main/java/com/badbones69/crazyauctions/api/economy/CurrencyAPI.java b/src/main/java/com/badbones69/crazyauctions/api/economy/CurrencyAPI.java
new file mode 100644
index 0000000..cf760bc
--- /dev/null
+++ b/src/main/java/com/badbones69/crazyauctions/api/economy/CurrencyAPI.java
@@ -0,0 +1,158 @@
+package com.badbones69.crazyauctions.api.economy;
+
+import com.badbones69.crazyauctions.CrazyAuctions;
+import com.badbones69.crazyauctions.api.economy.vault.VaultSupport;
+import com.badbones69.crazyauctions.api.enums.ShopCategories;
+import org.bukkit.entity.Player;
+
+public class CurrencyAPI {
+
+    private final CrazyAuctions plugin = CrazyAuctions.getPlugin();
+
+    private final VaultSupport vaultSupport = plugin.getStarter().getVaultSupport();
+    
+    /**
+     * Get the amount that a player has from a specific currency.
+     * @param player The player you wish to get the amount from.
+     * @param currency The currency you wish to get from.
+     * @return The amount that the player has of that currency.
+     */
+    public int getCurrency(Player player, Currency currency) {
+        try {
+            switch (currency) {
+                case VAULT:
+                    vaultSupport.getVault().getBalance(player);
+                    break;
+                case XP_LEVEL:
+                    player.getLevel();
+                    break;
+                case XP_TOTAL:
+                    getTotalExperience(player);
+                    break;
+            }
+        } catch (Exception | NoClassDefFoundError ignored) {}
+        return 0;
+    }
+    
+    /**
+     * Take an amount from a player's currency.
+     * @param player The player you wish to take from.
+     * @param option The ShopOption you wish to use.
+     */
+    public void takeCurrency(Player player, ShopCategories option) {
+        // takeCurrency(player, option.getCurrency(), option.getCost());
+    }
+    
+    /**
+     * Take an amount from a player's currency.
+     * @param player The player you wish to take from.
+     * @param currency The currency you wish to use.
+     * @param amount The amount you want to take.
+     */
+    public void takeCurrency(Player player, Currency currency, int amount) {
+        try {
+            switch (currency) {
+                case VAULT:
+                    vaultSupport.getVault().withdrawPlayer(player, amount);
+                    break;
+                case XP_LEVEL:
+                    player.setLevel(player.getLevel() - amount);
+                    break;
+                case XP_TOTAL:
+                    takeTotalExperience(player, amount);
+                    break;
+            }
+        } catch (Exception | NoClassDefFoundError ignored) {}
+    }
+    
+    /**
+     * Give an amount to a player's currency.
+     * @param player The player you are giving to.
+     * @param currency The currency you want to use.
+     * @param amount The amount you are giving to the player.
+     */
+    public void giveCurrency(Player player, Currency currency, int amount) {
+        try {
+            switch (currency) {
+                case VAULT:
+                    vaultSupport.getVault().depositPlayer(player, amount);
+                    break;
+                case XP_LEVEL:
+                    player.setLevel(player.getLevel() + amount);
+                    break;
+                case XP_TOTAL:
+                    takeTotalExperience(player, -amount);
+                    break;
+            }
+        } catch (Exception | NoClassDefFoundError ignored) {}
+    }
+    
+    /**
+     * Checks if the player has enough of a currency.
+     * @param player The player you are checking.
+     * @param option The ShopOption you wish to check.
+     * @return True if they have enough to buy it or false if they don't.
+     */
+    public boolean canBuy(Player player, ShopCategories option) {
+        return canBuy(player, option.getCurrency(), option.getCost());
+    }
+    
+    /**
+     * Checks if the player has enough of a currency.
+     * @param player The player you are checking.
+     * @param currency The currency you wish to check.
+     * @param cost The cost of the item you are checking.
+     * @return True if they have enough to buy it or false if they don't.
+     */
+    public boolean canBuy(Player player, Currency currency, int cost) {
+        return getCurrency(player, currency) >= cost;
+    }
+    
+    private void takeTotalExperience(Player player, int amount) {
+        int total = getTotalExperience(player) - amount;
+        player.setTotalExperience(0);
+        player.setTotalExperience(total);
+        player.setLevel(0);
+        player.setExp(0);
+
+        while (total > player.getExpToLevel()) {
+            total -= player.getExpToLevel();
+            player.setLevel(player.getLevel() + 1);
+        }
+
+        float xp = (float) total / (float) player.getExpToLevel();
+        player.setExp(xp);
+    }
+    
+    private int getTotalExperience(Player player) { // https://www.spigotmc.org/threads/72804
+        int experience;
+        int level = player.getLevel();
+
+        if (level >= 0 && level <= 15) {
+            experience = (int) Math.ceil(Math.pow(level, 2) + (6 * level));
+            int requiredExperience = 2 * level + 7;
+            double currentExp = Double.parseDouble(Float.toString(player.getExp()));
+            experience += Math.ceil(currentExp * requiredExperience);
+            return experience;
+        } else if (level > 15 && level <= 30) {
+            experience = (int) Math.ceil((2.5 * Math.pow(level, 2) - (40.5 * level) + 360));
+            int requiredExperience = 5 * level - 38;
+            double currentExp = Double.parseDouble(Float.toString(player.getExp()));
+            experience += Math.ceil(currentExp * requiredExperience);
+            return experience;
+        } else {
+            experience = (int) Math.ceil((4.5 * Math.pow(level, 2) - (162.5 * level) + 2220));
+            int requiredExperience = 9 * level - 158;
+            double currentExp = Double.parseDouble(Float.toString(player.getExp()));
+            experience += Math.ceil(currentExp * requiredExperience);
+            return experience;
+        }
+    }
+    
+    /**
+     * Loads the vault currency if it is on the server.
+     */
+    public void loadCurrency() {
+        vaultSupport.loadVault();
+    }
+}
\ No newline at end of file
diff --git a/src/main/java/com/badbones69/crazyauctions/api/economy/vault/VaultSupport.java b/src/main/java/com/badbones69/crazyauctions/api/economy/vault/VaultSupport.java
new file mode 100644
index 0000000..b5d80f1
--- /dev/null
+++ b/src/main/java/com/badbones69/crazyauctions/api/economy/vault/VaultSupport.java
@@ -0,0 +1,25 @@
+package com.badbones69.crazyauctions.api.economy.vault;
+
+import com.badbones69.crazyauctions.CrazyAuctions;
+import com.badbones69.crazyauctions.utils.func.PluginSupport;
+import net.milkbowl.vault.economy.Economy;
+import org.bukkit.plugin.RegisteredServiceProvider;
+
+public class VaultSupport {
+
+    private final CrazyAuctions plugin = CrazyAuctions.getPlugin();
+    
+    private Economy vault = null;
+    
+    public Economy getVault() {
+        return vault;
+    }
+    
+    public void loadVault() {
+        if (PluginSupport.VAULT.isPluginLoaded()) {
+            RegisteredServiceProvider<Economy> rsp = plugin.getServer().getServicesManager().getRegistration(Economy.class);
+
+            if (rsp != null) vault = rsp.getProvider();
+        }
+    }
+}
\ No newline at end of file
diff --git a/src/main/java/com/badbones69/crazyauctions/api/enums/ShopCategories.java b/src/main/java/com/badbones69/crazyauctions/api/enums/ShopCategories.java
new file mode 100644
index 0000000..e2d84d3
--- /dev/null
+++ b/src/main/java/com/badbones69/crazyauctions/api/enums/ShopCategories.java
@@ -0,0 +1,92 @@
+package com.badbones69.crazyauctions.api.enums;
+
+import com.badbones69.crazyauctions.api.economy.Currency;
+import com.badbones69.crazyauctions.utils.ItemBuilder;
+
+import java.util.HashMap;
+
+public enum ShopCategories {
+    
+    SELL("Sell"),
+    BID("Bid");
+    
+    private final String name;
+
+    private final HashMap<ShopCategories, Options> shopCategories = new HashMap<>();
+    
+    /**
+     * @param name name of the Shop Type.
+     */
+    ShopCategories(String name) {
+        this.name = name;
+    }
+    
+    /**
+     * @param name name of the Type you want.
+     * @return Returns the Type as an Enum.
+     */
+    public static ShopCategories getFromName(String name) {
+        for (ShopCategories type : ShopCategories.values()) {
+            if (type.getName().equalsIgnoreCase(name)) return type;
+        }
+
+        return null;
+    }
+
+    public Currency getCurrency() {
+        return shopCategories.get(this).currency;
+    }
+
+    public int getCost() {
+        return shopCategories.get(this).cost;
+    }
+    
+    /**
+     * @return Returns the type name as a string.
+     */
+    public String getName() {
+        return name;
+    }
+
+    private static class Options {
+
+        private final ItemBuilder itemBuilder;
+
+        private final int slot;
+        private final boolean inMenu;
+        private int cost;
+        private final Currency currency;
+
+        public Options(ItemBuilder itemBuilder, int slot, boolean inMenu, int cost, Currency currency) {
+            this.itemBuilder = itemBuilder;
+            this.slot = slot;
+            this.inMenu = inMenu;
+            this.cost = cost;
+            this.currency = currency;
+        }
+
+        public ItemBuilder getItemBuilder() {
+            return itemBuilder;
+        }
+
+        public int getSlot() {
+            return slot;
+        }
+
+        public int getCost() {
+            return cost;
+        }
+
+        public Currency getCurrency() {
+            return currency;
+        }
+
+        public boolean isInMenu() {
+            return inMenu;
+        }
+
+        public void setCost(int cost) {
+            this.cost = cost;
+        }
+    }
+}
\ No newline at end of file
diff --git a/src/main/java/com/badbones69/crazyauctions/currency/Vault.java b/src/main/java/com/badbones69/crazyauctions/currency/Vault.java
deleted file mode 100644
index 4444942..0000000
--- a/src/main/java/com/badbones69/crazyauctions/currency/Vault.java
+++ /dev/null
@@ -1,57 +0,0 @@
-package com.badbones69.crazyauctions.currency;
-
-import net.milkbowl.vault.economy.Economy;
-import net.milkbowl.vault.economy.EconomyResponse;
-import org.bukkit.Bukkit;
-import org.bukkit.OfflinePlayer;
-import org.bukkit.entity.Player;
-import org.bukkit.plugin.RegisteredServiceProvider;
-
-public class Vault {
-    
-    public static Economy econ = null;
-    public static EconomyResponse r;
-    
-    public static boolean hasVault() {
-        return Bukkit.getServer().getPluginManager().getPlugin("Vault") != null;
-    }
-    
-    public static boolean setupEconomy() {
-        if (Bukkit.getServer().getPluginManager().getPlugin("Vault") == null) {
-            return false;
-        }
-        RegisteredServiceProvider<Economy> rsp = Bukkit.getServer().getServicesManager().getRegistration(Economy.class);
-        if (rsp == null) {
-            return false;
-        }
-        econ = rsp.getProvider();
-        return econ != null;
-    }
-    
-    public static Long getMoney(Player player) {
-        if (player != null) {
-            try {
-                return (long) econ.getBalance(player);
-            } catch (NullPointerException ignore) {
-            }
-        }
-        return 0L;
-    }
-    
-    public static void removeMoney(Player player, Long amount) {
-        econ.withdrawPlayer(player, amount);
-    }
-    
-    public static void removeMoney(OfflinePlayer player, Long amount) {
-        econ.withdrawPlayer(player, amount);
-    }
-    
-    public static void addMoney(Player player, Long amount) {
-        econ.depositPlayer(player, amount);
-    }
-    
-    public static void addMoney(OfflinePlayer player, Long amount) {
-        econ.depositPlayer(player, amount);
-    }
-    
-}
\ No newline at end of file
diff --git a/src/main/java/com/badbones69/crazyauctions/utils/func/PluginSupport.java b/src/main/java/com/badbones69/crazyauctions/utils/func/PluginSupport.java
new file mode 100644
index 0000000..ad345dd
--- /dev/null
+++ b/src/main/java/com/badbones69/crazyauctions/utils/func/PluginSupport.java
@@ -0,0 +1,27 @@
+package com.badbones69.crazyauctions.utils.func;
+
+import com.badbones69.crazyauctions.CrazyAuctions;
+
+public enum PluginSupport {
+    
+    PLACEHOLDERAPI("PlaceholderAPI"),
+    HOLOGRAPHIC_DISPLAYS("HolographicDisplays"),
+    DECENT_HOLOGRAMS("DecentHolograms"),
+    VAULT("Vault");
+    
+    private final String name;
+
+    private final CrazyAuctions plugin = CrazyAuctions.getPlugin();
+    
+    PluginSupport(String name) {
+        this.name = name;
+    }
+    
+    public String getName() {
+        return name;
+    }
+    
+    public boolean isPluginLoaded() {
+        return plugin.getServer().getPluginManager().getPlugin(name) != null;
+    }
+}
\ No newline at end of file