I’m not comfortable trusting write-only on writable media.
[quote=“z”]In case you didn’t know, there is a great multiboot tool that supports any image, you just copy and paste and the menu gets automatically generated. And supports persistence too.
That is interesting. One could fit many systems on a 60 GB USB flash drive 
I’m sure that it would work, just like any bootable ISO.
Yes, it would
Is there a Qubes LiveDVD? If not, I wonder how one might create one. I doubt that bootcdwrite would work, at least not without major modification.