Pick from the products that qualify for the offer and add X+Y number of products to the basket and the value of the Y product with the lowest price will be discounted on the X+Y products. E.x Buy 2 Get 1: you added 3 products that qualify, the lowest price 1 will be discounted on the 3 products. The offer is automatically applied at checkout. No need for a coupon code to activate this offer. The offer is applicable only on the products with the offer badge.