I have my own (not nearly as sophisticated) home lab, with an old self-built desktop acting as a kvm host. while it's not as pretty, the biggest win for me was

I have my own (not nearly as sophisticated) home lab, with an old self-built desktop acting as a kvm host. while it's not as pretty, the biggest win for me was to move all of the vm disks onto a Synology that I'm mounting via iscsi. it tends to work really well.