Package Deal - How to give a discount if a user selects a products

If you want to give if a product is chosen, follow these steps.

Step 1. Create one or more products/services using a dropdown or checkbox element.
Step 2. Add a Custom Math element to the same subsection as the element above.
Step 3. Add conditional logic to the custom math element, and make it trigger when the product(s) (above) is selected.

Check the master guide for triggers a charge or discount