It’s not to bad as others are saying. Real question is to why you don’t want to use the installer?
They are quite good. I just used one for a Gentoo install because I have better things to do with my time. Can I do it for the millionth time sure by hand sure but what’s the point? End result is more consistent than me as a human doing it by hand
I wanna know who/(what bots) are down voting this post