The document discusses different types of business ideas and their viability. Useless ideas are those where the entrepreneur does not have personal experience in the industry or business they are proposing. Workable ideas take time to develop but will be profitable once stable and continue growing. Quick hit ideas can be implemented quickly and have the potential for immediate returns through a successful product launch or service offering. The document provides examples of each type of idea to help entrepreneurs evaluate whether their idea has potential or not.