Setting up a low-cost & efficient NAS with the Raspberry Pi 5

Rationale Setting up a local NAS was my answer to two problems I had wanted to solve for a long time: How/where can I back up my data? How to make my data available from the Internet 24/7? Cost (16TB, 10 years, incl. power) Backup? Available 24/7? Notes RAID on desktop ~60€/yr + power Not really No RAID prevents failure of one disk; but not accidental data deletion rsync on desktop ~60€/yr + power…