I purchased this material for quite a bit of money for both the Business and Law exam and a specialty contractors exam. I spent over $900 only to find out that the answer key to the practice tests were very inaccurate. When I inquired about the mistakes on their website they said "it's easy to get the answer keys mixed up" and they provided no correct information. Even after several emails, no response with correct information.
For the price you would certainly expect to receive accurate information.
On their site the go on to indicate that people have failed the test when just memorizing the multiple choice and true false questions on their tutorials. Well yea, when the answers are wrong and you memorize them you're going to fail!
There are other sites that sell this same type of material. I wish I would have read more reviews a little closer!