I made a #RaspberryPi cluster. Running #GlusterFS, shortly adding #Kubernetes (#k3s). Everything configured with #ansible.
This will become my new home hosting platform, replacing the venerable machine on which everything (web, e-mail, NextCloud, MythTV, eJabberd, DNS, Nagios, ...) currently runs. Power consumption should be around a tenth of the current machine, saving me around £200-250 per year, and be tolerant of hardware failures. Total cost of components was about £600.