How can I set a related product & cross selling product to REQUIRE a base product?
i.e. I have a base product with 1 item that is both related and for cross selling.
How can I set up the cross sell product so that the base product is required?
I can set it up so that the related product only shows up on the base product pages - ok.... but users can then remove the base product on the check cart page and still get the special pricing for the related product…
really what I am looking for is some kind of “add on” product handling.