Great materials, class was not useful

I had spent several months studying the GMAT and also took the Veritas online course, but decided to sign up for the MGMAT Live Course since it was paid by my employer. Because of this, the classes were a waste of time for me since we went over very basic materials. The books were excellent and the online forum was very helpful, but the CATs were very frustrating. I think the CATs are more difficult than the actual exam and my scores were all over the place. The thing I liked most is the OG Archer. I used it on every OG question and it helped identify my weaknesses. I would recommend just purchasing the books and utilizing the OG archer instead of spending over a thousand on the live course.