If you are capable of doing it yourself, just install Bitcoin Core and Electrs yourself. I use this as a guide but I don't follow some of the recommendations for service security and nginx proxies and stuff. Just need the basics. Incredibly useful guide for learning how to set up anything as a service on Linux actually!

I really didn't find setting everything up difficult. You can take it a step further and get LND set up too. That's easy but managing Lightning stuff is very new to me.

I have tried Start9, Umbrel, and a couple others and my biggest complaint is you install it as an entire OS or docker containers which you cannot configure differently. Like if you want to change the Bitcoin directory. You can do it, but it can lead to some unexpected problems. It is way easier to set up everything yourself if you are capable of doing it.

Umbrel is great for testing, but none of these things I would ever use in any serious capacity

In addition to running your own node, if you want to see what sort of apps you might want to set up yourself check this absolutely massive list out https://github.com/kahun/awesome-sysadmin and https://github.com/awesome-selfhosted/awesome-selfhosted