Yeah the NAS was a bit more work to set it up than a stand alone backup HD. Main reason I went with a NAS was I wanted the mirroring so if one HD fails the other one should be fine. I also needed to have remote access to files when I travelled for work. There were a bunch of how-to videos...
I have had good luck with Synology NAS with two WD Red drives set in Raid 1 mirroring (I probably just jinxed them). But after learning the hard way ---- important backup also needs to be off-site. The unexpected (theft/flood/fire) and they are gone. So critical stuff is also backed up on the...