You'll never be happy with it. Even if you get it 100% perfect, someone will release an update or new toy that changes things. But that's life. Don't stress about it. Just get the parts you want working in the free time you have.
Readarr stopped working months ago. It finally went offline just a few weeks ago. I hadn't done anything about it until then. I still haven't replaced it with anything. Maybe I'll get to it eventually.