I dunnoYou'd be surprised in fairness. The first time I built one a few years ago, I was terrified and it took me six hours. I just built a new low-power media server for the house and slapped it together in a half an hour. People think it's electrical engineering, but honestly it's just assembling things. It's like Ikea but with more expensive bits. (I'd say the only bit that's slightly nerve wracking is dropping the CPU in and applying the thermal paste)
(Speaking of, I helped a friend of mine with a pre-built he bought, and whoever put the thermal paste on there used a shovel for it, and needed cleaning and complete redoing)
Things like after-market CPU brackets for fans, wiring up the PSU and mobo headers give me the willies...
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