not because of the hardware.
The main cost is the hardware you could have open source NAS OS's
The thing you read about optical discs is not about HTL inorganic blurays
You read about CD's which uses an organize layer for the data.
Inorganic HTL blurays lasts 50+ years, and can be stored in room temperature and at high humidity.
About the box, those sleeves are not.designed for archival disc archival storage boxes protect blurays from scratches
And sony Archival Discs are inside a cartridge protected from scratches