And if your company has dreams of becoming a larger successful company, you are going to have to pull it out anyway. Its cheaper in the long run just to buy a Mac Mini or an older MacBook. I'd even argue its cheaper time-wise just to get the hardware instead of dealing with an unstable build server if you go the hackintosh route.

If you're running xcode CI at a giant megacorp, you might want to rethink your life decisions.

Thats unfair to say. Release Engineering is super critical to running great software companies and is a strict technical discipline of its own.