I live alone...
I would never have guessed.
If you're just want a convenient backup of your music collection, porn collection, musical pr0n collection, or your pr0n musical collection then RAID is not a horrible thing.
No No No. Say it with me slowly. RAID is not a backup. Ever. Now say it a few more times to let it burn in. Also leaving something with the lawyer is about as safe as the RAID 0 array you employ. (Apologies to NYCL)
1.79 x 10^12 furlongs per fortnight -- it's not just a good idea, it's the law!