Business Glossary
What Is a Loss Leader Product?
A loss leader is a product sold at or below cost to attract customers, expecting to generate profit from other purchases in the same transaction. Used strategically, loss leaders build customer acquisition and basket size. Used carelessly, they erode margin across the whole business.
The Formula
Loss Leader Threshold = Any product where gross contribution margin is zero or negative
Worked Example — UK SME
A UK retailer sells a product at £8.99 with a landed cost of £9.20. Contribution = –£0.21 per unit. If customers buying this also spend £24 more at 45% average margin, the strategy works. If they only buy the loss leader, it destroys value.
UK Benchmark
📊 Loss leaders are most effective in high-footfall retail where basket uplift is measurable. For B2B businesses, loss leader pricing is rarely appropriate — customers tend to buy the cheap item and source profitable lines elsewhere.
Common Questions
How do I know if my loss leader is working?
Track basket-level data: what else do customers who buy the loss leader purchase? What is their average basket margin? If their total basket margin is lower than other customers, the strategy is not working.
Should I stop selling loss leader products?
Assess at basket level, not product level. If removing the product would reduce overall customer acquisition or basket size, the cost of removing it may exceed the per-unit loss.
What is the difference between a loss leader and predatory pricing?
A loss leader strategy is designed to build basket size. Predatory pricing is designed to eliminate competition and can attract CMA scrutiny. A genuine loss leader strategy is verifiable through basket analysis.
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