“You haven’t heard the best part yet” is a phrase often used to create suspense or anticipation. It suggests that something exciting or unexpected is about to be revealed.
This phrase can be used in a variety of situations, both formal and informal. For example, it could be used by a salesperson to pique interest in a product, or by a friend to build excitement for an upcoming event. In either case, the phrase is effective because it taps into our natural curiosity and desire for surprise.