NFL ALL DAY Tournament Round of 8

When challenges drop, are people buying up moments before the games start? or are they buying throughout games based on performance? Are people buying up supplies during games for moments in the challenges and then flipping? Or is it just people trying to complete the weekly challenges? How hard are the moments floor crashing after the challenges complete? What is the average value of the reward packs? (one through five-star packs) - what is the max a user should spend on moments in the marketplace to get +EV on the pack rewards?