Two things kill retail margins silently: running out of stock when demand is high, and sitting on stock that isn't moving. Most SA retailers know this. Most also don't have a system that prevents either one. This guide is about fixing that.

The real cost of bad inventory management

A stockout doesn't just mean one lost sale. It means the customer goes to a competitor, and might not come back. Research consistently puts the number at 70-80% of customers who won't wait for an out-of-stock item. They find it somewhere else, and you've just handed your competitor a customer relationship.

Dead stock is the other side of the same coin. Money locked up in product sitting on a shelf that isn't moving is money that could be in your bank account, paying for faster-moving lines or covering operating costs. A lot of SA retailers have R20,000, R50,000, or more tied up in stock they bought six months ago and haven't shifted. They know it. They just don't have the visibility to act on it.

70%+ of customers won't wait for out-of-stock items
~30% of retail inventory typically classified as slow-moving
2x faster reorder cycle with automated low-stock alerts

Setting up your product catalogue properly

Before any tracking can work, your data needs to be right. Skipping this step is the most common reason inventory management fails, the system is fine, the inputs just aren't accurate.

  • Every product needs a SKU. Even a simple code you create yourself (e.g. SHOE-NIKE-BLK-42). This is what the system tracks, not the product name.
  • Set accurate opening stock counts when you go live. This is a once-off physical count. It doesn't need to be perfect, but it needs to be close.
  • Add supplier information to each product. Which supplier, what their lead time typically is, what minimum order quantities look like.
  • Set a reorder point for each product. This is the quantity at which you want to be alerted to reorder. A simple formula: average daily sales × supplier lead time in days + a safety buffer.

For a product that sells 5 units a day and takes 7 days to arrive from your supplier, your reorder point should be at least 35 units, plus whatever buffer you're comfortable with. Most retailers set 20-30% buffer on fast movers.

How low-stock alerts actually work in Nexo

When stock drops below your set threshold, Nexo sends a notification, in-app, email, or both, your choice. You can set different thresholds per product. A fast-moving item like your top-selling sneaker might alert at 20 units. A slower mover might only need to alert at 5.

The alert arrives before you've run out, not after. That's the whole point. No more discovering on a Saturday afternoon that you're out of your bestseller. No more apologising to customers who drove across Joburg to pick something up. The alert goes to whoever needs to see it: owner, manager, or buyer.

Supplier management, keeping it organised

In Nexo, you link products to their suppliers and create purchase orders directly from the system. When stock arrives, you receive it in Nexo, quantities update automatically. This creates a paper trail: what you ordered, what arrived, and when. Useful for supplier disputes. Also useful for spotting patterns, a supplier who consistently short-delivers is a problem worth knowing about.

The other benefit: when you're looking at a low-stock alert and considering whether to reorder, all the supplier details are right there. Lead time, minimum order, contact. You don't need to dig through emails or check a separate spreadsheet. It's in the system.

Reading the reports that matter

Most retailers look at sales reports. Fewer look at the ones that actually help them make better buying decisions. Three reports worth checking every week:

Best Sellers Report

What's moving fast? Are you ordering enough? Is there a trend emerging that you should lean into, a brand, a category, a price point, before your competitors notice it? This report also tells you where to invest marketing effort.

Dead Stock Report

Products that haven't sold in 30+ days. Flag these and act on them. Options: run a promotion, bundle them with fast movers, return to supplier if your terms allow it, or sell at cost to clear shelf space. Dead stock sitting longer just gets worse.

Stock on Hand vs. Value

How much capital is currently tied up in inventory? If you have R80,000 in stock but R18,000 of it hasn't moved in 45 days, that R18,000 is an opportunity cost. Seeing this number clearly is often what motivates action on dead stock.

The counting discipline, keeping your data accurate

Software only works if the data going in is accurate. The biggest killer of good inventory management isn't the system, it's people receiving stock without logging it, or processing returns without putting them back in the system.

A few habits that make a real difference:

  • Spot counts weekly, not full counts monthly. Pick 10-20 random products, count them physically, and compare to the system. It takes 15 minutes and catches drift early.
  • Investigate discrepancies. A gap between system stock and physical stock usually means a receiving error, a theft issue, or a returns handling problem. Find the source and fix it.
  • Use Nexo's variance report to flag products where system and physical counts don't match. Act on these before the gap gets bigger.

The most common mistake: setting stock counts once and never updating them properly. Every return, every supplier delivery, every inter-store transfer needs to go through the system. The data is only as good as the discipline around it.

A practical 30-day plan to get your inventory under control

You don't need to do this all at once. A four-week rollout works well for most retail businesses:

  1. Week 1: Enter all products with SKUs and accurate current stock counts. This is the most time-consuming step. Do it once, do it right.
  2. Week 1: Set reorder points for your top 20 selling products. Start with fast movers, these are where stockouts hurt most.
  3. Week 2: Link your top 5 suppliers to products in Nexo. Add lead times and minimum order quantities.
  4. Week 2: Create your first purchase order through Nexo when you next need to reorder anything.
  5. Week 3: Check your first set of low-stock alerts and action them. See how the workflow feels.
  6. Week 4: Review your first best-seller and dead stock reports. Make one buying or clearing decision based on what you see.
  7. End of month: Do a spot count on 50 random SKUs. Compare to system. Investigate anything off by more than 3 units.

This is worth the effort

Inventory management isn't exciting. But it's one of the fastest ways to improve both your cash flow and your customer experience at the same time. The businesses that get this right don't run out of stock on a Friday afternoon. They don't tie up capital in product that's gathering dust. And they don't lose customers to competitors who just happened to have what someone needed.

The tools are there. The discipline is the harder part, but it becomes habit quickly once the data starts talking back to you with useful information instead of silence.

See Nexo's inventory features

Real-time stock tracking, low-stock alerts, supplier management, and the reports that actually help you buy better.

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