Are Caseking's pre-built prices fair?

I've been looking to get a gaming PC for the first in my life and since I know absolutely nothing about PC components, I reckon the best option is to get a pre-built one. Reading around it seems like most people recommend caseking after brexit so I looked there and have been playing around with their pc configurator, https://www.caseking.de/en/pc-systems/pc-configurator. It gives you a base and then some select options which I assume are compatible with the rest of the build. I know I'll have to pay premium to have it pre-built but would consider the pricing they offer on those pc configurations fair?