Thanks for sharing—those videos were interesting to watch. I often grate butter when making biscuits, but I never thought about the fact that the process would make the butter spreadable more quickly; I'll have to keep that in mind.
I learned the tricks about garlic peeling and egg freshness testing many years ago, and they are definitely reliable and helpful. Rachael Ray shared the cherry tomato slicing trick awhile back, but using plastic deli lids, which is useful to protect your hands and see what you're doing; I tried that a few times, but I'm really okay with just slicing the tomatoes normally to ensure the results I want. I've found the rubber band lid hack to be marginally helpful, but if your lid doesn't seal perfectly (and most do not, especially on pots and pans), you will still experience spills. As for the frozen fruit and juice cubes, that's something my family has been doing for years—highly recommended! 