PEoD, as you have already discovered, these features are supported. Don't worry about your post, however, as others will learn from it. In fact, this is how science works. Even when experiments fail or theories are proven wrong, another piece of knowledge is created and added to the pile. It may be that Microsoft is not revealing these features in an effective manner, and they can also learn from your post.
Come back when you have worked with your ecommerce solutions and describe you experience. What you have learned will be helpful to others.