In English, this promotion is known as “One time offer” (OTO). In both cases, the labels are allies to classify your customers according to their purchase history and interests. So, within a few days of making a purchase, you can send them a sales email, for example: “Hello Sofía, we think that the following products on sale might interest you” (up selling case) “Hello Sofía, take a look at this accessory that matches the product you purchased” (cross selling case) Here are some tips for using marketing automation in sales workflows: If your products or services can be purchased online,