I think 15-20 hours of prep is reasonable, especially when it can be over months. I bet it would have taken more like 200 hours for another 100 points (which I

I think 15-20 hours of prep is reasonable, especially when it can be over months. I bet it would have taken more like 200 hours for another 100 points (which I why I don't think the test is as easily gamed as test detractors say).