Cart price rule conditions can be based on any category that is a child of the store’s root. Price rules are set up in advance and spring into action whenever the required conditions are met.
Coupons codes are used with cart price rules to apply a discount when a set of conditions is met. To apply the coupon to a purchase, the customer can enter the coupon code in the cart.
Free shipping can be offered as a promotion, either with or without a coupon. To expand upon this basic capability, you can use shopping cart price rules to create complex conditions based on multiple product attributes, cart contents, and customer groups.
"Buy X Get Y Free" is set up as a cart price rule promotion and determines how many items a customer must purchase to get Y qty of the item for free.
Discount with Minimum Purchase
Cart price rules can be used to offer a percentage discount based on a minimum purchase. For example, apply a 25% discount to all purchases over $200.00 in a specific category.
Catalog price rules can be used to selectively offer products at a discounted price, based on a set of conditions. Catalog price rules are triggered before a product is placed into the shopping cart.