Guides and free tools
For Amazon sellers who import
The questions importers actually search for — duty, landed cost, refunds, the reports in ACE — answered with tools that work on your own numbers.
Guide + free analyserThe ES-003 report: find every dollar of IEEPA duty on your entriesRun the report in ACE, drop the file in, and see IEEPA duty by entry and which entries are still inside CBP’s refund window. Runs in your browser; nothing is uploaded.Free toolUS import duty and landed cost calculatorDuty on published HTSUS rates with every Chapter 99 line kept separate — and what the published file leaves out.Free downloadLanded cost spreadsheet template (Excel and Google Sheets)Per-SKU landed cost for a shipment: US customs value basis, Chapter 99 lines separate, MPF with its minimum and maximum, HMF on vessel shipments.Data2026 US duty rates for kitchen and home HTS codesThe full duty stack for China origin, code by code — general rate, Section 232, Section 301 — each line sourced and dated.UK toolAir vs sea freight: the UK import duty on the air billUK customs value is CIF, so flying adds a statutory share of the air freight to the duty base. Eight worked cases.
Start with the audit
Your last twelve months of entries, reconciled to the unit, for a fixed £900$1,200€1,050. Credited in full against your first year, and refunded in full if the variance is under 2%.