> Sure, but again, you could in theory distribute said builds and stop wasting compute compiling yourself.

Here are three links that you will find informative. [0][1][2]

While I'm not using the official Gentoo binhost, I've had one running on my LAN for my own personal use for roughly a decade now. It has been possible to set up a binhost for quite a bit longer than that... that's just when I got multiple machines with the same CPU in them, so it made sense for me to set one up.

[0] <https://wiki.gentoo.org/wiki/Binary_package_guide>

[1] <https://wiki.gentoo.org/wiki/Handbook:AMD64/Installation/Bas...>

[2] <https://wiki.gentoo.org/wiki/Gentoo_Binary_Host_Quickstart>