# Sync Master with Component inventory - Bundle Groups

When you sell **bundle products**, the “Master” product (the bundle listing) should only be available if the **component items** are in stock.\
This setting helps you keep the bundle inventory accurate automatically.

### ✅ What this setting does

When **Sync Master with Component inventory** is enabled:

* The **Master** variant inventory is calculated from **component** inventory
* When component stock changes (sale, restock, manual adjustment), the **Master** updates automatically
*  Helps prevent overselling bundles that can’t be fulfilled

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### 🔑 Key terms

* **Master product / Master variant**: the bundle listing customers buy (e.g., “Gift Set”)
* **Component products**: items inside the bundle (e.g., Candle + Soap)
* **Required quantity**: how many units of each component the bundle needs

### ⚙️ Where to turn it on

1. Open the app > click **Settings** 
2. In **Bundle groups**, enable **Sync Master with Component inventory**
3. Click **Save**

<figure><img src="/files/TRnvyOQbUjlcpC9u85Q8" alt=""><figcaption></figcaption></figure>

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### ✅ How the inventory is calculated

The app checks each component’s available stock and calculates how many full bundles you can make.

**Example**

Your Master variant **“Gift Set”** includes:

* **2 × Product A**
* **1 × Product B**

Current stock:

* Product A = **6**
* Product B = **5**

Calculation:

* Product A allows: **6 ÷ 2 = 3 bundles**
* Product B allows: **5 ÷ 1 = 5 bundles**

⇒  Master inventory becomes: **min(3, 5) = 3 bundles available**

So the bundle will show **3** in stock.

**🙋 Still need support?**

If you still need help, please feel free to contact us at <hi@tipo.io>. We’ll be happy to assist you further.


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