A:AnswerYour apple mouse should be good! Any bluetooth devices should be able to pair so long as they're supported by macOS and your technician should be able to see any applications that aren't supported anymore. There is one caveat that some devices may require adapters, or my preference is to instead use a Dock to plug things like cameras and other peripherals in at home.
A:AnswerNope! Your new computer should be able to screen mirror directly from the computer no cables necessary! You should be able to visit the control center from the top of your MacBook screen and simply press screen mirror!
A:AnswerThere are no moving parts internally to degrade other than joints, so it's up to performance and typically there will be a questionnaire for the info they need. If they don't ask it, they generally don't need it.
