Add to delivery

We also call this module "add to delivery." You can configure the following settings:
How many minutes after the purchase can the end customer add a product?
At which order status?
What is the maximum number of "add to delivery" products displayed to the customer?
What is the maximum number they can purchase?
Should the subsequent addition also be recorded as a comment on the order?
Should an email be sent to the admin when a product is added?
Should the customer receive an updated order confirmation after adding the item?

This allows the customer to quickly add offered products on the "Thank You" page—that is, one step *after* the purchase. These items increase the order total but do not incur additional shipping costs, regardless of the standard shipping rules that would normally apply to them.

You can easily select which items are offered as "add to delivery" products by using a checkbox for each product in the admin area.