Yes
Yes
Everyone managed it in their own way. I disabled it to avoid unexpected startup or shutdowns, and I’m unsure which option is more suitable—I’m not sure if keeping connectivity when off is necessary or not.
They placed it in the box and it activated instantly, right? I didn’t give it much thought until I learned about modern standby mode, after which I turned it off.
I secured it, turned off my charging port, activated it, then pressed 'sleep' in the bottom-right corner. I also made sure not to shift my nearby wireless mouse during storage. It handled waking and sleeping smoothly without issues.