Good lord you guys are being charged high for drilling...
I recently bought a Red Zone from one of my "local" pro shops (half an hour away, not exactly local), for $205 drilled. I did this because I wanted a new opinion on drillings, rather than seeing the same guy. He was able to replicate my span perfectly with the Red Zone and the Power Drive I asked him to fix, which is something 2 other pro shops couldn't do correctly in multiple balls. At his shop, he charges $50 for drilling with inserts and slugs. My actual local pro shop, though he's not much of a driller, also charges $50 for drilling with inserts and slugs. The pro shop that I go to the most charges me $30 for drilling a blank, but I get a discount for being a youth bowler in his program.
The pro shop I go to the most charges about $210 for high-end equipment, $170 for mid-price, and then $100 for the entry level stuff. Inserts are another $20 for slugs and tips. Though, if you're a league bowler, I think there's a 10% off discount too.
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---Ryan