You need to break this out into course collections as well. For example, the only thing I'm interested in is the mapkit and web services stuff in the advanced

You need to break this out into course collections as well. For example, the only thing I'm interested in is the mapkit and web services stuff in the advanced course. I already know everything in the basic and intermediate courses. There doesn't seem to be a way for me to buy the advanced courses only without getting the complete package?