Why are products I added to collection not discounted?
Disco applies the discount to the included products when the sale activates.
If you add a product to the collection after the sale has already started, it will not automatically get the discount.
To apply the discount to newly added products (or remove it from products that were removed from a collection), you should use the Synchronize button on the sale.
This will recalculate the selected products and ensure the discount is added to the corresponding products.

If you still experience issues, feel free to reach out to support through the Help beacon in the app.