It will definitely help beginners, because it starts with the fundamentals, and will help more experienced professionals and brush up on all aspects of Salesforce. It provides training that is tailored to the work that you will actually do in the industry, and it should help you ace the certification exam if you complete all the projects and quizzes given in the course.
1. You get to work on industry projects.
2. It's comprehensive.
3. It gives you the best bang for your buck.
4. The instructor is crisp, clear and very focused.
5. I have used a bunch of other online materials as well, but your training is well structured and I like that since I have a busy schedule.