All 165 entries
Grade: CORROBORATEDPrice as a signal
The bulk discount that concentrates the loss
What you see
A steep per-unit discount for buying five or ten vials at once
What it means, the mechanism behind it, and how to tell — sealed.
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Entry S-101 of 165 in Industry Dirty Secrets, the supply-chain case file. Every entry is graded documented, corroborated, or retired as folklore — 22 of the 165 are published as folklore rather than quietly dropped. This file grades a seller's claim; it cannot tell you what is in a vial.