Guides
Reading agent QC photos without over-reading them
Four short references on what a quality-check photo is worth as evidence. They describe how to look at the images that appear on a source listing, not how to authenticate a product — those are different tasks, and only one of them a photo can help with.
Three kinds of image evidence
Source images, QC photos on the listing, and agent-attributed warehouse photos are not the same thing. Which of them this site actually holds.
Visible details and missing information
What a QC photo genuinely lets you read — and the questions a photo can never answer.
Reading warehouse information cautiously
A photo shows one unit at one moment. Separating batch-specific evidence from current, verifiable service terms.
What QC cannot guarantee
Why an inspection photo is not an authentication, a durability test, or a promise that this unit reaches you.
Each guide is written from what is observable on public source listings plus general, checkable knowledge of how shopping agents work. None of it reports a first-hand order, a lab test, or a delivery. Where a fact would need re-checking on the official platform, the guide says so.