This critical subject discusses the fact that high card points are merely an attempt at conveying our trick taking potential to our partner. We discuss when and how to do add dummy and length points. After discussing the various features that add and subtract from our trick taking potential, we take a look at a number of hands where partner has invited us. Each of the examples have us in the middle of our range and force us to decide whether to accept the invitation. Don’t miss this very important lesson.