Retailers who sell electronics, appliances, or anything under warranty eventually hit the same question: how do you know which specific unit a customer bought, months or years after the sale. Serial number tracking answers that, and it’s usually simpler to set up than people expect, especially if it’s already built into the POS you’re running instead of bolted on as a separate system. Key Takeaways 📋 In This Guide What Is Serial Number Tracking? Do You Need Separate Software, or Does Your POS Already Cover This? Serial Number vs. Lot Number: They’re Not the Same Thing Why It Matters: Warranties, Accuracy,
