Joe Kesselman wrote:

2) Remember, digital-to-digital copying is lossless. So any time you're
nervous about how much life is left in your media, just recopy to fresh
media, thereby resetting the clock. Yeah, it's a hassle unless you've
either got a relatively small pile of archives or some form of automated
media handling system, but fighting entropy takes energy...

WAV files have no inherent error correction. Compute and store
checksums for them, preferably on separate media. Run a scripted
process regularly to verify the archive integrity. This gets difficult
or impossible with large numbers of optical disks.