A rejected or mis-prepped FBA shipment costs money twice: the prep fee Amazon charges
to fix it, and the days the inventory sits unsellable. Almost every prep failure is
one of a short list of known mistakes. This skill walks the prep so the shipment
arrives clean.
A shipment passes the warehouse when it clears six gates. Walk them in order before
anything is boxed.
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Unit labeling. Every unit needs a scannable FNSKU label, or the product must
be enrolled in stickerless commingled inventory. The label must cover any existing
barcode so only one scans. A double-scannable unit is a prep failure.
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Packaging integrity. Each unit must survive a 3-foot drop and handling. Loose,
open, or fragile units need a polybag, bubble wrap, or a box.
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Polybag rules. A polybag must be transparent, sealed, and at least 1.5 mil
thick. If the bag is 5 inches or larger on any side, it must carry a printed
suffocation warning at the required font size. The barcode must be scannable
through or on the bag.
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Special handling. Liquids, glass, sharp items, and adult products have extra
requirements. expiration-dated and consumable goods must show a legible date and
meet the remaining-shelf-life rule.
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Sets and bundles. A multipack or set must be marked "sold as set" or "do not
separate" so the warehouse keeps it as one sellable unit.
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Box and shipment limits. Standard cartons stay within the 50 lb (22.6 kg)
limit. heavier cartons need a "team lift" or oversize marking, and the absolute
ceiling is around 150 lb. Apply markings where required. The
shipment plan, box content, and carton labels must match what is inside.
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Collect inputs. The product, its fragility and category, whether it is a
bundle or set, whether it has an expiration date, the units per box, and the box
weight and dimensions.
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Walk the six gates. For each gate, state the requirement for this specific
product and whether it is met or what to fix.
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Flag the fee risk. Name where Amazon would charge a prep fee or reject the
shipment if a gate fails, so the seller fixes it before shipping, not after.
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Build the shipment plan checklist. FNSKU labels printed and applied, box
content information accurate, carton labels on every box, weight and dimension
markings correct.
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Decide self-prep or Amazon prep. If the seller cannot meet a gate, Amazon prep
or a third-party prep center is the route. price it against doing it right at the
source.
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Run the quality check, then deliver.
A glass candle, sold as a 2-pack.
Gate 1: each 2-pack gets one FNSKU label, not one per candle. Gate 2 and 3: glass,
so each pack is bubble-wrapped and bagged. Gate 5: the pack is marked "sold as set,
do not separate" or the warehouse may split it. Gate 6: the master carton stays
under the weight limit and carries a glass and this-way-up marking. Miss Gate 5 and
Amazon sells the candles as singles and the listing breaks.
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