When I was a kid my Dad would give me a nickel to pay pinball at the fish fry place we ate at on Friday nights. A bit later I played the illegal gambling machines that had no flippers. When I worked for the USFS in Washington they had legal machines with flippers and ability to increase odds and pay outs. Fun stuff. The Pinball Hall of Fame in Las Vegas is on my bucket list.
My buddy and I figured out that cramming was counter-productive, just filling your brain with useless facts. We may not have made the Dean's List, but we did graduate.
I studied it in college, was a high school biology teacher for 32 years. I worked as an entomology technician for a few years after that. I never got to see the battle of the insect world.
Studied entomology in college. Always wanted to see Giant Water Bug vs. Predacious Diving Beetle. Worked at Cornell doing research with Asian Long Horned Beetles. Got mentioned in scientific papers.
BOGO sales items at my Publix market helps me stock up on things I used a lot. I look at is as "at no extra cost" to me, or I divide the cost in 2 and think of it at 2 for that price.
It wasn't that long ago that the army's 10th Mountain Division moved from Alaska to Fort Drum in northern NY where the winters were colder for their training exercises.