A way to save you time is to make CI build as fast as possible. When you have tests taking e.g. 1 hour to run then you could leverage your CI server config and setup parallel jobs (parallel CI ...
I recently bought a new external SSD to use for Time Machine backups. Most important to me is to have a backup of my Parallels VM, since I do most of the work for my day job in Windows, and I’d be out ...