How are you going to figure out when to use this trick if you don't know the group 3 and group 4 words by heart already? And if you do know them, why aren't you just doing it properly?
Great advice here, good thread. The one thing I'd add is to take Uber/Lyft to your testing center. Well worth the $ in my opinion to avoid any added stress.
Pacifico - you are an integral part of the heart and soul of our current generation of 7Sagers. Hope you will provide more opportunities for us to learn from your experiences:)