I have one. It’s still working 1.5 years later. It’s good for beginners but it isn’t the be-all end-all self-hosting solution yet. 
It’s easy to get started and set up, but you have to understand what it is, especially if you’re going the Raspberry Pi route with the recommended specs. RPis aren’t some magic super computer. They’re tiny, hobbyist machines, not nearly robust enough for a permanent server your life depends on. You get way more power and storage with a refurbished small form-factor PC. 
Umbrel isn't that customizable, and the entire goal of self-hosting is to rely less on third parties like Umbrel. Set one up and try some services, but keep learning. Jump over to Linux and find the real, self-hosting adventure.
Jump over to Linux and find the real, self-hosting adventure.
Umbrel OS is a linux distribution
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What hardware are you running it on?
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I don't use Umbrel OS. I have a pi with raspberry pi OS, it's usually off but it has a copy of bitcoin core and LND among many other apps.
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It runs on Linux at least. I think calling it an OS is confusing.
It's a system that operates sandboxed apps via Docker.
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calling it an [operating system] is confusing
It's a system that operates...apps
Hmm, talk about confusing! A system that operates apps, yes, but an operating system, no.
Hey Google, define operating system for me.
"op·er·at·ing sys·tem -- the software that supports a computer's basic functions, such as scheduling tasks, executing applications, and controlling peripherals."
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It’s an app manager.
There’s no sandboxing, and not much security in general.
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I guess I meant sandboxing resources via cgroups, which is distinct from a security sandbox perhaps. (I actually don't know but AFAIK isolation is the default in Docker and you have to explicitly connect containers.)
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I get that and I wasn't planning on buying a Raspi for my Umbrel. I want to actually make my node profitable and build a channel farm. I was thinking to also buy a fast personal Ubuntu server to run my Umbrel in
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