When it comes to Android backup, I generally divide it into five parts. i.e. contacts, messages, media (photo and videos), apps and app data, and other files. I will show you all these parts for a full backup experience.
Although many phones have an inbuilt fingerprint scanner, most laptops don't have it. The best way to unlock a laptop with an android is to use it's fingerprint scanner.
You spend money every year on antivirus. The question here is, Do you really need to? or Can you save some bucks?