Nice journal, lajax. You're in good hands with DbPhoenix But as importantly, you're doing the work in the right way.
I dont know if I understand your question, but I think that the a "lot of reads in hindsights" is part of the observation process that I do going bar by bar
You will not be able to do make decisions in real time the way you think you could but there will be plenty who will disagree, you been warned.