I had an older (2013 or 14) Lenovo TS140 sitting around that I recently installed Mojave on. It took a little bit of experimentation to work out the kinks, but I've got it working almost flawlessly with a NVME drive in a PCIE adapter, 32GB RAM, and a Broadcom wifi card to enable Airdrop/continuity/handoff. Not bad for an older machine and less than $250 in extra parts, most of which I had already purchased over the years.

I used these guides:

https://hackintosh.gitbook.io/-r-hackintosh-vanilla-desktop-...

https://www.reddit.com/r/hackintosh/wiki/faq#wiki_wifi_compa...

The only thing I haven't been able to solve/fix is I can't use software that depends on WiBu Codemeter[1] - some sort of piracy prevention. This includes stuff like newer versions of Antares AutoTune, and other audio production software. WiBu installs a third-party kext, which doesn't play well with my audio interface for some reason (RME, also installs a third-party kext) - causes a lot of pops and clicks or dropouts until I uninstall WiBU. If anyone has any suggestions on workaround for this, please respond here!

PS: after losing my system too many times in the past, now I keep a mirror image backup of all my systems in case I break something... Esp. with hackintosh it is just too easy to lose a system.

[1]: https://www.wibu.com/us/products/codemeter.html

Like I said, businesses have moved on, the rest of us found alternatives.