Learn what the software or device you’re using can do. There’s often so much productivity packed in, you don’t even know what you’re missing.
For example code editors like VSCode or Sublime Text have easy ways to select and work on multiple lines/words at the same time that can make work SO much more productive and fast, it’s like magic. I see other people doing things line by line and it takes ages.
Microwaves have all kinds of presets that people rarely use. Read the manual and try them out.