Start with the specification, not the quote
I still remember the first pallet of vials I ever rejected. Twelve thousand 2 mL clear glass vials, 9 mm screw thread, ordered at what looked like a great unit price. They arrived with thread dimensions that drifted outside GPI 9-425 tolerances, and about one in forty caps cross-threaded on our filling line. We ate the freight, ate the restocking fee, and lost three days of production. That was the day I stopped treating vial procurement as a price-per-thousand exercise and started treating...
