Honestly the best answer is to this question is one that requires more effort than "burn once, sit on shelf". The best answer is "host a NAS that you actively

Honestly the best answer is to this question is one that requires more effort than "burn once, sit on shelf". The best answer is "host a NAS that you actively maintain and has an offsite mirror". I personally host an all-flash NAS for the performance and MTTF benefits over HDD. Since it's always on and performs regular scrubs there is no concern of bit-rot. The data I put there will be there as long as I'm around to take care of the box and pay the B2 bill.