A 3 for 2 promotion lets customers buy three products and get one — usually the cheapest — for free. This type of offer is often used to encourage volume purchases within a specific category or brand.
Set the requirement
Choose which products qualify for the promotion. You can filter them by category, manufacturer, or product flags.Configure the effects
Define the rule that triggers the offer. In this example, the promotion applies when a customer adds three products from a selected category — the cheapest one is automatically discounted to 100 %.