Umbrel. Seems to be the most straightforward.
Discussion
Yeah. It depends on how much you want to learn.
I’ll probably run multiple nodes over time + try different types with different sets of trade offs. Do you run one?
Yes multiple ones. Running raspiblitz on selfhosted proxmox host https://cercatrova.blog/en/install-raspiblitz-on-proxmox/
Can definitely recommend the raspibolt setup for you in the future. You will learn a lot by doing all the installation by yourself. https://raspibolt.org