Yes, and then have another machine shop check their work 'cause, well, ya never know !! And if you wear a belt, make sure you're wearing suspenders too !!

Seriously, at what point do you actually trust someone.

There have been people in the past not trusting the balancing job. My question is this: do you think a machine shop will go to all the trouble of checking the balance and charging you a couple hundred bucks and then tell you there was no problem with it? Of course not 'cause you'd whine about the cost. Just remember, "the customer is always right" - you take something in because you think it might be out of whack - guaranteed, its gonna be out of whack !!