Dear Craig, I have not been using your TT Home Revolution very long, but I absolutely LOVE the efficiency and endless progression your workouts provide. I consider myself advanced and your cues and form reminders are absolutely invaluable! The make every workout effective, productive, and amazingly efficient! I am a 43 year old mother of two and I don’t have time to waste time! I also don’t want to spend an hour in the gym! I have a life to live and your workouts are a tremendous help in reaching my fitness goals while having PLENTY of time to live life! I consider this program very effective because I want to do them and am able to actually do them because they’re so quick! Thank you so much for your research and development of such an amazing system/product! I look forward to future workouts and advancements from you 😉