landed cost calculator

    1

    Calculate all-in landed unit costs and identify hidden import risks for ecommerce and wholesale.

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    Works with the AI tools you already use

    Claude CodeClaude CodeCursorCursorCodex CLICodex CLIMuseMuseDotsDots+22 more

    landed cost calculator

    Example session with this skill installed

    I'm buying 500 units of a widget at $10 each from China. Shipping quote is $1,200. I think duty is 25%, but I'm not sure about brokerage or local delivery. Help me find my landed cost.

    • Read your context and instructions
    • Compiled the landed cost calculator

    I have analyzed your import scenario to determine the all-in unit cost and identified where your margin is most at risk.

    1. Decision Snapshot

    The current data supports a preliminary landed cost of approximately $15.80 per unit, but this is a high-risk estimate. The 25% duty is a significant cost driver that requires verification, and the absence of brokerage and local delivery data could add another $0.50-$1.00 to your unit cost.

    2. Inputs & Assumptions

    ItemValueStatus
    Unit Product Cost$10.00Verified
    Quantity500 unitsVerified
    Freight Cost$1,200.00Supported
    Duty Rate25%Hypothesis
    Brokerage/EntryUnknownUnknown
    Local DeliveryUnknownUnknown

    3. Analysis

    DimensionScore 0–5EvidenceWhy It Matters
    Goods Cost5Invoice quote provided.Baseline for all other calculations.
    Freight Allocation4Quote provided ($2.40/unit).Fixed cost spread over volume.
    Duty/Tax Basis2User estimate (25%).Largest variable; could swing margin by 10%+.
    Loss/DamageN/ANo historical data.Critical for fragile or high-value items.

    4. Key Risks / Gaps

    1. HS Code Accuracy: If the 25% duty rate is wrong, your unit cost shifts by $0.10 for every 1% change.
    2. "Last Mile" Costs: Local trucking and port fees are currently $0.00 in this model but rarely zero in reality.
    3. Demurrage/Storage: Small shipments often face unexpected port delays not included in freight quotes.

    5. Recommended Next Move

    Primary Action: Confirm the HTS code with your supplier and verify the duty rate on the official tariff schedule.

    Supporting Actions:

    • Request a "delivered" (DDP or DAP) quote to compare against your current port-to-port quote.
    • Add a 3% "buffer" for breakage and miscellaneous port fees in your retail pricing model.

    6. Validation Plan

    QuestionEvidence NeededCheapest TestPass Signal
    What is the exact duty?HTS CodeAsk supplier for the 10-digit code.Matches 25% assumption.
    What are the port fees?Broker QuoteSend freight quote to a customs broker.Fees < $200 total.

    Next steps

    1. Send the HTS code to a customs broker for a formal duty ruling.
    2. Update the freight line item to include local delivery to your warehouse.
    3. Recalculate your target MSRP based on the $15.80 floor.

    Connects securely to your tools. The creator never sees your data.

    What you get

    Calculate true unit cost including freight, duty, and variable fees.Identify high-impact cost uncertainties before placing large orders.Compare supplier quotes on an all-in landed basis instead of just unit price.Model how volume increases affect per-unit logistics margins.

    About this skill

    The problem

    Importers often underestimate the true cost of goods by ignoring hidden freight, duty, and brokerage fees. This leads to inaccurate pricing, eroded margins, and business decisions based on incomplete financial data.

    What it does

    • Calculates all-in landed unit cost by factoring in freight, duties, taxes, and variable handling costs.
    • Constructs an evidence ledger to separate verified data points from hypothetical assumptions.
    • Performs sensitivity analysis to show how volume changes impact the final unit cost.
    • Generates a validation plan to test high-impact uncertainties with minimal financial risk.

    Why this beats prompting it yourself

    General prompts often produce simple arithmetic that misses nuanced costs like loss allowances or brokerage handling. This skill enforces an evidence-based framework that scores the reliability of your data, ensuring you don't treat a rough shipping estimate as a hard fact.

    Use cases

    • Comparing quotes from different international suppliers to find the true lowest cost.
    • Determining the minimum viable sales price for a new SKU on Amazon or Shopify.
    • Analyzing the impact of scaling order volume on per-unit logistics expenses.
    • Auditing existing import workflows to identify where hidden fees are leaking margin.

    Known limitations

    Does not provide professional tax, legal, or customs compliance advice. Cannot access live carrier APIs or private marketplace dashboards without authorized tools.

    How to install

    Works the same in every agent - Claude, Cursor, Codex, Copilot and 20+ more.

    ~30 seconds
    1. 1

      Download the ZIP

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    2. 2

      Unzip into your skills folder

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    3. 3

      Ask your agent to use it

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    Verified clean 11 days ago

    • Passed all security checks, Safe to install

    Listed11 days ago

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