The Mulebuy QC finder is the buyer’s ground truth. It is also the most under-used tool on the platform. Most beginners either accept every QC photo or reject randomly. Experienced buyers use a ladder.
The rejection ladder
Every QC photo scores at one of five levels. The level determines your action.
Level 1: Cosmetic — accept
Minor loose thread, tiny asymmetry not visible when worn, packaging wear. Accept.
Level 2: Noticeable — request additional photo
Slight color drift, one uneven stitch line, small print alignment issue. Not a rejection yet — request another angle to confirm.
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Level 3: Persistent — negotiate
Consistent color mismatch across photos, structural asymmetry, off-spec sizing. Message the seller. Options: partial refund, replacement, or reject.
Level 4: Structural — reject
Broken stitching, incorrect panel construction, wrong material, missing components. Reject cleanly. Sellers reissue calmly-worded rejections without friction.
Level 5: Wrong item — reject immediately
Wrong product altogether, wrong colorway, wrong size. Reject. This is not negotiable.
Why the ladder works
Objective severity levels remove emotion from the decision. “This kind of feels off” is not a rejection reason. “This is a Level 3 color drift across two photos” is defensible and communicable.
The three-photo minimum
Do not make a decision on fewer than three photos. One is luck; two might repeat the same angle; three across different angles is the minimum for defensible judgment.
What separates useful QC photos
- Natural light or 5000K LED.
- Neutral background so color drift is visible.
- Scale reference in at least one shot.
- Different angles, not the same shot twice.
How the finder integrates with your workflow
QC review is the second filter in the 3×3 method. Beginners should read the starter kit for context on which categories reject most frequently.
Back to shopping
Open the homepage to browse the spreadsheet with the ladder ready.
Return to our Mulebuy Spreadsheet homepage for the full library of guides and the latest sheets.