WhatSales

Maximise Profits and Customer Retention with Automated Stock Monitoring

8 October 2026

A customer who buys from you once and finds the item out of stock on their next visit doesn't usually complain, they just buy from someone else. Stock monitoring isn't only about protecting a single sale, it's about protecting the repeat customers a stockout quietly sends elsewhere.

Why manual reorder points don't hold up

Most sellers set reorder points once, based on a rough sense of how fast a product sells, and rarely revisit them. But sales velocity changes constantly: a product picks up after a good review, slows after a competitor undercuts the price, or spikes around a seasonal date. A reorder point set six months ago is often wrong by the time it matters.

Our /inventory page recalculates reorder points from actual, current sales velocity for every SKU, and sends an alert as soon as stock crosses that line, so the reorder happens based on how the product is selling now, not how it sold when the point was last set.

What this protects beyond the immediate sale

  • Marketplace ranking, which drops when a listing goes out of stock and takes weeks to recover
  • Repeat customers, who rarely wait around for a product to come back in stock
  • Reviews and ratings, which suffer when a best-seller keeps disappearing
  • Cash flow, since accurate reorder points mean less stock sitting idle as a safety buffer

A stockout costs more than the sale you missed while it lasted, it costs the customers who quietly didn't come back. You can /book-a-demo to see reorder points calculated from your own sales data.

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