Ürün & Marj Bekçisi

    1

    Profitability guardrail for Etsy and Shopify sellers that enforces landed cost rules and net margin safety.

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    Works with the AI tools you already use

    Claude CodeClaude CodeCursorCursorCodex CLICodex CLIGitHub CopilotGitHub CopilotGemini CLIGemini CLI+20 more

    Ürün & Marj Bekçisi

    Example session with this skill installed

    I want to sell a t-shirt on Etsy. Printify base cost is $9.50, shipping is $4.75. I'm thinking of listing it for $28. Is this a good idea?

    • Read your context and instructions
    • Compiled the r n
    • Generated the document

    I have analyzed the profitability of your Etsy listing based on the provided costs.

    Profitability Audit: Printify T-Shirt (Etsy)

    Decision: ⚠️ FİYAT DÜZELT (ADJUST PRICE)

    The current landed cost is too high relative to your target price. According to the 2.2x rule, your minimum price should be higher to absorb Etsy's fee structure and operational overhead.

    ItemValue% of Revenue
    Target Sale Price$28.00100%
    Base Product Cost$9.5033.9%
    Shipping Cost$4.7517.0%
    Total Landed Cost$14.2550.9%
    Etsy Transaction Fee (6.5%)$1.826.5%
    Payment Processing (4.5%)$1.264.5%
    Listing Fee$0.200.7%
    Etsy & Offsite Ads (Est.)$2.388.5%
    Operational Buffer (12%)$3.3612.0%
    Returns/Reprint Buffer (3%)$0.843.0%
    Total Expenses$24.1186.1%
    Net Margin$3.8913.9%

    Analysis:
    Your Landed Cost is

    50.9% of the sale price. The safety threshold for Etsy POD is

    45%. At this price point, a single return or a slightly higher CAC will wipe out your profit.

    Next steps

    • Increase the sale price to at least $31.35 to hit the 2.2x multiplier.
    • Check for a Printify provider with a lower shipping rate to bring landed costs under $12.60.
    • Switch to Printify Premium if you are doing more than 20 sales per month to lower base costs.

    r-n-marj-bek-isi.pdf

    PDF · document

    Generated

    Example file from a real run - the skill writes it into your workspace.

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

    What you get

    Enforce the 2.2x landed cost rule for all Etsy POD listings.Audit Shopify margins against COGS, CAC, and transaction fee thresholds.Calculate net profit after hidden Etsy Offsite Ads and processing fees.Determine the minimum viable price for a product based on supplier costs.

    About this skill

    The problem

    Dropshippers and POD sellers often lose money because they fail to account for "landed cost," hidden transaction fees, and realistic marketing expenses. Relying on basic markup rules usually leads to a negative net margin after Etsy or Shopify fees are deducted.

    What it does

    • Calculates true landed costs by combining base product prices with specific provider shipping rates.
    • Validates Etsy listings using the 2.2x rule (45% landed cost threshold) to ensure profitability.
    • Audits Shopify margins against strict benchmarks: 38% COGS, 28% CAC, and 10% operational overhead.
    • Factors in specific platform leaks like Zendrop processing fees, Etsy Offsite Ads, and reprint buffers.
    • Recommends specific price adjustments or supplier changes when margins fall below safety thresholds.

    Frameworks & tools

    Python (scripts/marj.py), Printify API logic, Zendrop fee structures, and Etsy/Shopify payment processing models.

    Why this beats prompting it yourself

    Generic LLMs often forget to compound shipping into the cost basis or miss platform-specific transaction fees like Etsy's 6.5% transaction plus 4.5% processing stack. This skill enforces a "math-first" guardrail that prevents listing unprofitable products by default.

    Use cases

    • Deciding if a Printify sweatshirt is viable for Etsy after shipping hikes.
    • Calculating the required MSRP for a Shopify product to sustain a $26 CAC.
    • Comparing two different Printify providers based on their total landed cost.
    • Auditing existing listings to see if they meet the 12% general overhead buffer.

    Known limitations

    Assumes standard USD currency for calculations. Requires manual input of base costs and shipping if not provided via integrated script.

    How to install

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

    ~30 seconds
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      Download the ZIP

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      Unzip into your skills folder

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      Ask your agent to use it

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