I know I've saved lots of money in the past using eBay (car/bike parts and such). However, I have a good relationship with my pro shop, and I do not want to throw that out the window just to save a few bucks. I run an auto repair shop, and I must admit that I get a little tweaked when customers want to supply their own parts or tires (unless they are upgrading to performance/custom parts in which case I have no problem with it at all). I know the pro shop would be happy to drill it for the usual labor charge if I supplied the ball, but I feel he is entitled to make a few bucks on the ball as well (so long as a few bucks does not turn into an early retirement program!).
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Jon (in Ohio)
CHROME WON'T GET YOU HOME!