I would strongly advise new
wheelbuilders not to drop all spokes in a hub to start, or to even think about anything that might speed up the process.
We often forget that for most home mechanics, it's a very intimidating job. Keeping 8 or 9 spokes at a time from getting in your way while you puzzle over what you're doing is less frustrating than dealing with dozens. Especially while you look back and forth from wheel to page or computer screen.
Turn off the phone.
The correct starting point. Simple, repeatable steps in building. Consistent, repeatable layers in truing and tensioning. The core of the old Hjertberg Bicycling!
Once you've become comfortable building wheels, then you may want to add your own touches to improve efficiency- or you might not. There's no hurry for the hobbyist, and honestly, handbuilding conventional wheels is so rare in modern shops there's barely any reason for most mechanics to worry about it beyond being organized and having a simple manual nipple driver handy.