How about make a copy to an external drive? If you want to be sure do 2. Check them every 5-10 years, replace as needed when connectors get discontinued (eg Fir

How about make a copy to an external drive? If you want to be sure do 2. Check them every 5-10 years, replace as needed when connectors get discontinued (eg Firewire -> USB-C). Bonus: Keep backup with external cloud service. No need to make overly complicated. No need to do Bluray.