I use YubiKeys for just about everything, the easiest solution is to simply have multiple keys. I have 3 total, gathering them all together once a year to renew

I use YubiKeys for just about everything, the easiest solution is to simply have multiple keys. I have 3 total, gathering them all together once a year to renew the gpg key isn't a real issue and after the initial setup I don't find myself enrolling new services regularly.