We work with a lot of New York GMAT clients who are busy professionals seeking to make the most out of their precious study time, so Erfun has used his years of experience to develop a proprietary system that includes homework assignments for every day of your preparation, a detailed error log tracking every mistake and providing real-time data on your strengths and weaknesses, and access to a suite of thousands of GMAT questions unavailable through other GMAT tutor or company.