Created a cluster proxmox environment using various computer/server hardware. The primary three nodes of the cluster are some low-power HP Elitedesk computers with some upgraded SSD storage, these nodes run 24/7 and can maintain cluster quorum on their own. Then I have some beefier PowerEdge servers that typically stay off but if I need to run a more powerful VM I can power them on and spin up a new VM or migrate an existing VM from my cluster and increase its resources

This cluster is currently running various containers for DNS, Docker, and various VMs such as Plex, Guacamole (RDP/SSH Proxy), Windows clients, media management server, and TrueNAS. Important VMs and Containers are replicated across each node using ZFS storage pools and have High-Availibilty enabled which allows VMs to failover/migrate between nodes if a node goes offline or has any software/hardware issues