This article explains how to set a sale price for an individual product. A sale price is tied directly to a product and can be configured with a start and end date.
You can set a sale price when editing a product. Use the From and To fields to define the active period for the sale price.
Items with an active sale price will have it shown in the catalog as follows:
The sale price is based on the date of the order, not the pickup or delivery date. When a product has an active sale price, it will be displayed prominently in the product catalog.
A product's sale price can be combined with other promotions, such as percentage or fixed discounts. If applicable, both the sale price and the promotion will be applied to the order total.