i think the risks of the diying the USB stick or cd become scratched are the same is became hacked... As for me I have 4 faulty USB sticks last year. I think that's not good enough for the wallet purposes. As for me I keep my wallet unsecured onto the secured with SHA256 drive. This virtual drive is presented as a file on the physical disk. Most drive crypting software could do that, for example BestCrypt could, so I use it for years before, it bugless. Next you must do some regular backup procedures or upload crypted virtual drive container onto your google account - that's all. So you dont need to reebot, you dont need another PC... and so on. Meybe that's better heh?