Agree it would take quite a bit of time for someone with zero time on a lathe
Im old enough to have had machin shop in high school in the 1980s on southbend lathes
If you have some basic experience on a manual lathe it wouldn’t take you too long.
That's on a easy easy no issue job where the cutter runs like a hummer barrel shoots. But till years and decades of WTF's peer their nasty heads, does one gain the knowledge to make the needed adjustments to maintain perfection.
It's like anything else, I've seen some that make every barrel shoot good, and most that use them (since they're the only ones they ever used) be satisfied. A couple local I know have convinced many how great they are. But have talked one guy into sending the same barrel to the Smith I use, after I did some brass measuring, and convinced him it wasn't right!
Needless to say when it came back and he run some of the same loads as before it not only shot ever so slightly better, but that same barrel became much less picky!
Was it the 1/2" shorter barrel??? Maybe, but the fact is, it cleaned better as well according to him. Yes again maybe it had smoothed out a little more with a few more rounds in it.
But, until I find a Smith, that has built barrels for more than a couple shooters that have proven to be winners in BR competition, do I spend the kind of money we're talking here, 350 to 400 bucks only works for perfection in my world.
I won't pay these prices to a guy wanting to be one of those Smiths, but once he shows he is one of those, has my recamendations. Those are the ones that tell me it's worth what it takes to prove themselves.
I'm fortunate and won't post what it cost me, but I bring a lot to my Smiths table as well as all my business. I send many to him, but I do that by them witnessing what he has done for me!