Mail is particularly less daunting with mailcow. It just works

The corporation was bought by k1 capital. The foundation and therefore the open source version will always be free

They still push out firmware updates for devices first releases decades ago (eg rb433 from 2008. Wireless performance has improved but it’s still not quite there yet, mostly in the area of signal strength. Personally I don’t mind that with the ability to configure things in minute detail (if you want to). Superb hardware reliability and just all round great.

Install home assistant on it

I have a Konnected pro flashed with esphome. All my wired sensors from the old alarm system work with home assistant/alarmo as well as additional ZigBee sensors. It’s a fantastic set up.

Try watchtower instead of cron jobs

Found the grey beard 😁

Borg is a great tool, you should check it out

Cloudflare tunnel