Yes, we can add hidden input field type and add a fee that will be applied automatically once the user adds the product to the cart. The admin can set product conditions under the Product Conditions tab so the fees will be applied to the matched ...
Supported input field types are: Text Textarea Radio Checkbox Dropdown Mutiselect Hidden Customer - First Name Customer - Last Name Customer - Email File Attachment
The users can subscribe to the product that is not launched yet from the product view page. Once the product launches, all users get the email notification so they do not miss the purchase. Reference ...