I spend many weeks each spring and summer shooting PDogs and gophers........trimming cases to the same length hasn't slowed me down one bit...........
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One only needs to buy a Giraud case trimmer or another such type device to realize that you can have both uniformity and as much trigger time as one can stand. Haven't reached that point yet, but I'm workin' on it and not at any expense as to uniformity/accuracy and/or time afield.
As it should be, not everyone's goals are alike, be it accuracy, career goals or golf scores. We all come from such different backgrounds/"places" as well which play into how and why we approach such matters the way that we do...or how we must approach such matters (financial considerations included).
I'm pleased and satisfied with my approach to all types of shooting/handloading while other's are just as pleased and satisfied with their own methods that seem worlds apart from my own....and vice versa. We should be thankful for these different methods/approaches to shooting/handloading, 'cuz these forums either wouldn't exist or would be so boring that many of us would gladly choose to watch paint dry rather than to listen to somebody espouse the exact same methods that we have all used our entire lives.
I'm never above makin' a few changes here and there if it might mean an enhancement in accuracy or a time saving move at the reloading bench. It has happened before and will likely happen again in the future, but not without informative posts on forums such as this.......and not without being different from my own approach to such things.
Good luck...........