Yes, it is possible to make too many changes to your kitchen or bath. In fact, it can hinder the design process and usefulness of your space. Before you start with the creative design process you should analyze why you want to remodel.
Look through the current space think about what you like and dislike about it, what works about it, what could be better, and how you would like it use it.
Think about what items you want verses what you need.