Creating a Buy X items, get %Y off each
A Buy X items, get %Y off each Items promotion will give Y% off each of the same item when you buy X number of the same item. This will affect any item associated with the promotion. A Buy X items, get %Y off each Items promotion can be tied up to a promotional code that the customer must enter during checkout. If you choose not to use a promotional code, all customers will get the promotion in their shopping cart.