A Guide to Inventory Management with Product Hub
GTG CRM Team · GTG CRM
February 06, 2026

Table of Contents
When a business decides to transform its business model - from traditional retail to e-commerce, from wholesale to retail, or expanding to omnichannel - one of the biggest challenges is inventory management. The volume of backlogged inventory, synchronizing inventory across channels, and avoiding overselling are issues every business faces.
Based on practical experience, the lack of a centralized inventory management system can increase conversion costs by 20-30%, while also causing numerous operational errors. This article will guide you on how to handle inventory scientifically when transforming your model, and introduce GTG CRM's Product & Inventory Management solution to optimize this process.
When selling on multiple channels (Website, Shopee, Lazada, TikTok Shop), each platform has its own management system. This leads to businesses having to update product information, prices, and inventory on each channel individually – which is time-consuming and prone to errors.
A product has 10 units in stock but is listed for sale on 3 different channels. When one channel sells 5 units, the other two channels still show 10 units available – leading to overselling and customer complaints.
When changing business models, repricing products needs to consider: original cost, VAT, operational costs, and desired profit margin. Manual calculations on Excel are very easy to confuse.
Products that are no longer suitable for the new model need to be liquidated or adjusted, but there's a lack of tools to track and analyze their effectiveness.
Product Hub is a centralized product and inventory management system that helps businesses:

Before transforming, you need a clear picture of your current inventory:
1. Create Warehouses in Product Hub
2. Import Product List
3. Classify Products
Product Hub helps you calculate prices automatically based on the formula:
Selling Price = Cost Price + VAT + Desired Profit
Example:
Once you have centralized product data, you can push products to multiple channels simultaneously:
1. Connect E-commerce Platforms
2. Push Products to Platforms
3. Two-way Synchronization
For products in Group C (backlogged inventory):
1. Mark Status
2. Create Liquidation Campaigns
3. Track Performance
After transforming your business model, ongoing monitoring and optimization are crucial:
Track Metrics:
Improve Processes:
| Benefit | Description | Savings |
|---|---|---|
| ⏱️ Save Time | No need to update each platform individually | 70% of operational time |
| 💰 Reduce Error Costs | Avoid overselling, losing customers | 20-30% of handling costs |
| 📈 Increase Revenue | More effective omnichannel selling | 30-50% of revenue |
| 🎯 Make Accurate Decisions | Real-time data, detailed reports | 100% accuracy |
| 🚀 Expand Quickly | Easily add new channels | Unlimited |
⚠️ Data Consistency: Just like the principle in advertising – keywords must match the landing page, product information across channels must be completely consistent. If customers see a price of 100k on Shopee but 120k on the website, they will leave immediately.
⚠️ Preview Before Publishing: Use the "Preview" feature to see how products will appear on your website before pushing them to e-commerce platforms. Adjust images and descriptions to suit each platform.
⚠️ Backup Data: Before transforming your business model, export all product and inventory data as a precaution.
⚠️ Train Staff: A new system requires new workflows. Ensure staff are fully trained to avoid errors during the initial phase.
Handling inventory during a business model transformation is not easy, but with a centralized management system like GTG CRM's Product Hub, you can control the entire process scientifically and effectively.
Instead of worrying about disjointed data and unsynchronized inventory, you can now focus on business development with the confidence that your systems are running smoothly.
Turn what you've read into real results — apply it now with GTG CRM, for free.
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