sealeap-suanni-amazon-fba-fee-size-tier

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Classify a product into its Amazon FBA size tier from verified packaged dimensions and weight, compute the fulfilment fee from the current marketplace rate card, and flag packaging changes that would push the unit into a costlier tier. Use for FBA 配送费怎么算、尺寸分段判断、体积重与实重、包装尺寸优化、配送费为什么变贵、改包装能省多少. Do not use as a substitute for the official fee preview in Seller Central, or for marketplaces and product classes whose current rate table has not been loaded.