why does store bought dvd last longer
    https://www.avsforum.com/threads/how-long-do-store-bought-dvds-last.689185/
    https://old.reddit.com/r/dvdcollection/comments/cgipth/longevity_of_dvds/
    https://news.ycombinator.com/item?id=33117813
    https://old.reddit.com/r/DataHoarder/comments/102jwds/cdr_vs_dvdr_vs_bdr_longevity/
    https://www.makeuseof.com/tag/cds-truth-cddvd-longevity-mold-rot/


commercial DVD foil forums
    https://forum.videohelp.com/threads/262036-Buy-DVD-s-with-silver-recording-side
    
    https://forum.blu-ray.com/showthread.php?t=342365
    https://permies.com/t/212055/dvd-bad