diff --git a/main.go b/main.go
index 75f6e299..25446f24 100644
--- a/main.go
+++ b/main.go
@@ -129,6 +129,7 @@ func configure(app *aero.Application) *aero.Application {
 	app.Ajax("/shop", shop.Get)
 	app.Ajax("/inventory", inventory.Get)
 	app.Ajax("/charge", charge.Get)
+	app.Post("/api/shop/buy/:item/:quantity", shop.BuyItem)
 
 	// Admin
 	app.Ajax("/admin", admin.Get)
diff --git a/mixins/Sidebar.pixy b/mixins/Sidebar.pixy
index a9124078..e87709ea 100644
--- a/mixins/Sidebar.pixy
+++ b/mixins/Sidebar.pixy
@@ -20,7 +20,9 @@ component Sidebar(user *arn.User)
 	//- SidebarButton("Search", "/search", "search")
 
 	if user != nil
-		SidebarButton("Shop", "/shop", "shopping-cart")
+		if user.Role == "admin" || user.Role == "editor"
+			SidebarButton("Shop", "/shop", "shopping-cart")
+		
 		SidebarButton("Statistics", "/statistics", "pie-chart")
 		SidebarButton("Settings", "/settings", "cog")
 
diff --git a/pages/inventory/inventory.pixy b/pages/inventory/inventory.pixy
index 22b9b911..7eada3df 100644
--- a/pages/inventory/inventory.pixy
+++ b/pages/inventory/inventory.pixy
@@ -1,6 +1,8 @@
 component Inventory(inventory *arn.Inventory, viewUser *arn.User, user *arn.User)
 	ShopTabs(user)
 	
+	h1.page-title Inventory
+
 	.inventory(data-api="/api/inventory/" + viewUser.ID)
 		for index, slot := range inventory.Slots
 			if slot.ItemID == ""
diff --git a/pages/shop/shop.go b/pages/shop/shop.go
index 16ec90a1..928fe12c 100644
--- a/pages/shop/shop.go
+++ b/pages/shop/shop.go
@@ -3,6 +3,7 @@ package shop
 import (
 	"net/http"
 	"sort"
+	"sync"
 
 	"github.com/animenotifier/arn"
 
@@ -11,6 +12,8 @@ import (
 	"github.com/animenotifier/notify.moe/utils"
 )
 
+var itemBuyMutex sync.Mutex
+
 // Get shop page.
 func Get(ctx *aero.Context) string {
 	user := utils.GetUser(ctx)
@@ -31,3 +34,56 @@ func Get(ctx *aero.Context) string {
 
 	return ctx.HTML(components.Shop(user, items))
 }
+
+// BuyItem ...
+func BuyItem(ctx *aero.Context) string {
+	// Lock via mutex to prevent race conditions
+	itemBuyMutex.Lock()
+	defer itemBuyMutex.Unlock()
+
+	// Logged in user
+	user := utils.GetUser(ctx)
+
+	if user == nil {
+		return ctx.Error(http.StatusUnauthorized, "Not logged in", nil)
+	}
+
+	// Item ID and quantity
+	itemID := ctx.Get("item")
+	quantity, err := ctx.GetInt("quantity")
+
+	if err != nil || quantity == 0 {
+		return ctx.Error(http.StatusBadRequest, "Invalid item quantity", err)
+	}
+
+	item, err := arn.GetItem(itemID)
+
+	if err != nil {
+		return ctx.Error(http.StatusInternalServerError, "Error fetching item data", err)
+	}
+
+	// Calculate total price and subtract balance
+	totalPrice := int(item.Price) * quantity
+
+	if user.Balance < totalPrice {
+		return ctx.Error(http.StatusBadRequest, "Not enough gems", nil)
+	}
+
+	user.Balance -= totalPrice
+	err = user.Save()
+
+	if err != nil {
+		return ctx.Error(http.StatusInternalServerError, "Error saving user data", err)
+	}
+
+	// Add item to user inventory
+	inventory := user.Inventory()
+	inventory.AddItem(itemID, uint(quantity))
+	err = inventory.Save()
+
+	if err != nil {
+		return ctx.Error(http.StatusInternalServerError, "Error saving inventory", err)
+	}
+
+	return "ok"
+}
diff --git a/pages/shop/shop.pixy b/pages/shop/shop.pixy
index e741f368..8556163e 100644
--- a/pages/shop/shop.pixy
+++ b/pages/shop/shop.pixy
@@ -1,8 +1,8 @@
 component Shop(user *arn.User, items []*arn.Item)
-	h1.page-title Shop
-	
 	ShopTabs(user)
 
+	h1.page-title Shop
+
 	.widgets.shop-items
 		each item in items
 			ShopItem(item)
@@ -21,6 +21,6 @@ component ShopItem(item *arn.Item)
 			//- span.shop-item-duration= " " + duration
 		.shop-item-description!= aero.Markdown(item.Description)
 		.buttons.shop-buttons
-			button.shop-button-buy
+			button.shop-button-buy.action(data-item-id=item.ID, data-item-name=item.Name, data-price=item.Price, data-trigger="click", data-action="buyItem")
 				span.shop-item-price= item.Price
 				Icon("diamond")
\ No newline at end of file
diff --git a/patches/add-balance/add-balance.go b/patches/add-balance/add-balance.go
new file mode 100644
index 00000000..8289aab3
--- /dev/null
+++ b/patches/add-balance/add-balance.go
@@ -0,0 +1,22 @@
+package main
+
+import (
+	"github.com/animenotifier/arn"
+	"github.com/fatih/color"
+)
+
+func main() {
+	color.Yellow("Adding balance to all users")
+
+	// Get a stream of all users
+	allUsers, err := arn.StreamUsers()
+	arn.PanicOnError(err)
+
+	// Iterate over the stream
+	for user := range allUsers {
+		user.Balance += 100000
+		arn.PanicOnError(user.Save())
+	}
+
+	color.Green("Finished.")
+}
diff --git a/patches/add-inventories/add-inventories.go b/patches/add-inventories/add-inventories.go
index c9c591a3..28966b6d 100644
--- a/patches/add-inventories/add-inventories.go
+++ b/patches/add-inventories/add-inventories.go
@@ -16,19 +16,19 @@ func main() {
 
 	// Iterate over the stream
 	for user := range allUsers {
-		// exists, err := arn.DB.Exists("Inventory", user.ID)
+		exists, err := arn.DB.Exists("Inventory", user.ID)
 
-		// if err != nil || exists {
-		// 	continue
-		// }
+		if err != nil || exists {
+			continue
+		}
 
 		fmt.Println(user.Nick)
 
 		inventory := arn.NewInventory(user.ID)
 
-		// TEST
-		inventory.AddItem("anime-support-ticket", 50)
-		inventory.AddItem("pro-account-24", 30)
+		// // TEST
+		// inventory.AddItem("anime-support-ticket", 50)
+		// inventory.AddItem("pro-account-24", 30)
 
 		err = arn.DB.Set("Inventory", inventory.UserID, inventory)
 
diff --git a/scripts/Actions.ts b/scripts/Actions.ts
index 68f70029..24b08867 100644
--- a/scripts/Actions.ts
+++ b/scripts/Actions.ts
@@ -336,6 +336,35 @@ export function chargeUp(arn: AnimeNotifier, button: HTMLElement) {
 	.then(() => arn.loading(false))
 }
 
+// Buy item
+export function buyItem(arn: AnimeNotifier, button: HTMLElement) {
+	let itemId = button.dataset.itemId
+	let itemName = button.dataset.itemName
+	let price = button.dataset.price
+
+	if(!confirm(`Would you like to buy ${itemName} for ${price} gems?`)) {
+		return
+	}
+
+	arn.loading(true)
+
+	fetch(`/api/shop/buy/${itemId}/1`, {
+		method: "POST",
+		credentials: "same-origin"
+	})
+	.then(response => response.text())
+	.then(body => {
+		if(body !== "ok") {
+			throw body
+		}
+		
+		return arn.reloadContent()
+	})
+	.then(() => arn.statusMessage.showInfo(`You bought ${itemName} for ${price} gems. Check out your inventory to confirm the purchase.`, 4000))
+	.catch(err => arn.statusMessage.showError(err))
+	.then(() => arn.loading(false))
+}
+
 // Chrome extension installation
 export function installExtension(arn: AnimeNotifier, button: HTMLElement) {
 	let browser: any = window["chrome"]
diff --git a/scripts/AnimeNotifier.ts b/scripts/AnimeNotifier.ts
index ed7eb906..606e8cb5 100644
--- a/scripts/AnimeNotifier.ts
+++ b/scripts/AnimeNotifier.ts
@@ -471,6 +471,10 @@ export class AnimeNotifier {
 				element.removeEventListener(oldAction.trigger, oldAction.handler)
 			}
 
+			if(!(actionName in actions)) {
+				this.statusMessage.showError(`Action '${actionName}' has not been defined`)
+			}
+
 			let actionHandler = e => {
 				actions[actionName](this, element, e)