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5 Inventory Mistakes Costing eCommerce Brands Thousands
July 31, 2026

5 Inventory Mistakes Costing eCommerce Brands Thousands

Inventory isn't just an operations problem—it's one of the biggest profit drivers in eCommerce. In this episode of the Winning With Shopify Podcast, Nick Truman sits down with Alan Grimsley from Inventory Planner to uncover the five biggest inventory mistakes that cost Shopify brands revenue every day. Learn about Shopify inventory management issues, stockouts, overstocking, poor forecasting, disconnected data, and inaccurate lead times silently destroy cash flow and customer experience.

Whether you're running a growing Shopify store, managing inventory across multiple warehouses, or scaling your eCommerce brand, this conversation is packed with practical strategies to improve forecasting, reduce excess stock, align marketing with inventory, and maximize profitability.

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Timestamps:

00:00 Why Most Shopify Brands Lose Money on Inventory

03:06 Mistake #1: Running Out of Stock

08:39 Mistake #2: Overstock & Cash Flow Problems

20:15 Mistake #3: Data & Inventory Visibility

25:27 Mistake #4: Marketing Without Inventory

31:46 Mistake #5: Ignoring Lead Times

36:12 When to Use Inventory Planning Software

38:14 Key Takeaways & Final Thoughts

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#Shopify #eCommerce #inventorymanagement #BusinessGrowth #InventoryPlanning #WinningWithShopify

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