Quality of the materials

They are very comprehensive and in-depth. If anyone follows these materials, no other prep materials will be needed. Their quant section is rock solid. It contains almost every single chapter which will be needed for a successful GRE score. Their verbal is also good. Very much an in-depth analysis and contains video and text explanations. TTP provides a cheat sheet that is very much helpful for taking notes. Its quant formula is excellent. Also, it provides a quant formula book, which is suitable for reading and memorising the necessary procedure. The formula book contains short-cut techniques to arrive at a solution very fast.