[quote name='bassjim' timestamp='1494258940' post='3294445']
But I wonder...if I just left it alone, how far out it might be at the end of a set.
[/quote]
Unless you hammer the sh*t out of your strings when you play, or the headstock gets bashed or whatever, it'll most probably be in tune.
It might show as being a few cents out on a tuner, but to everyones ears it will be fine.