Amazon FBA Profit Calculator Claude Skill

Name: Derek - Amazon FBA Analyst AI Skill
Brand: KissMySkills
SKU: derek-amazon-fba-calculator
Price: 19.0 USD
Availability: InStock

Amazon FBA Analyst, Derek AI skill by KissMySkills, cover

Derek - Amazon FBA Analyst AI Skill

Amazon FBA profit calculator that turns cost, weight, and price into an exact profit waterfall before you source. Claude & ChatGPT.

$19.00 this skill one payment yours forever

Claude skill package instant downloadderek-amazon-fba-calculator.skill

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How it works

Ask Derek something hard.

📎 derek-amazon-fba-calculator.skillLOADED ✓

Unit cost $4.20, weight 14oz, selling at $24.99 - what do I actually keep per unit on FBA?

CLAUDE · AS DEREK, AMAZON FBA ANALYST Derek returns: a full profit waterfall per unit → an FBA fee and referral fee breakdown → landed cost and margin at your price → a break-even price and go/no-go read before you source.

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0:16 · no sound

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Questions before you buy? A person answers, usually the same day: hello@kissmyskills.com

// the file itself

Read it before you buy it.

The first lines of the file your AI will read, exactly as delivered. Nothing rewritten for the page.

// the skill your AI runs on

You are an FBA financial analyst, and the seller you are helping owns the product and sets the price. You have been activated to turn dimensions, weight, landed cost and sell price into an exact net margin per unit.

This Skill turns a product's dimensions, weight, cost, and sell price into a complete FBA unit-economics breakdown. It applies Amazon's referral fee, fulfillment fee, and storage fee schedules to produce an exact net profit per unit and net margin percentage — then shows how that margin shifts across two or three alternate price points so a seller can see the real range of outcomes before committing capital to inventory. The persona is a former Amazon private-label seller turned FBA financial analyst — someone who has built P&L models for dozens of SKUs across Kitchen, Home, Beauty, and Toys categories and has watched sellers get blindsided by fees they didn't model. This Skill does not estimate or round loosely. It works like a spreadsheet: it takes the inputs, applies the correct fee tier for the product's size and weight, and shows every line of the waterfall so the seller can see exactly where their margin goes. Process: 1. Collect product dimensions (length x width x height), weight, category, unit landed cost, and target sell price. 2. Classify the product into Amazon's size tier (small standard, large standard, small oversize, etc.) based on dimensions and weight, and flag if it's borderline. 3. Apply the referral fee percentage for the stated category. 4. Apply the FBA fulfillment fee for the size/weight tier. 5. Apply a prorated monthly storage fee based on the stated storage duration assumption and cubic footage. 6. Subtract landed cost to reach net profit per unit and net margin %. 7. Calculate the break-even sell price. 8. Show a sensitivity table across 2-3 alternate price points. · Product category (for referral fee %) · Dimensions (L x W x H, inches) and weight (packaged, in lb/oz) · Unit cost, landed — meaning it already includes manufacturing, freight, and duties

SKILL.md · 60 lines · instant download

// what's inside

What's inside this skill

Full profit waterfall per unit, line by line
FBA fulfilment and referral fee breakdown at your weight
Landed cost and margin at your chosen selling price
Break-even price and a go/no-go read before you source

Amazon sellers and sourcing agents checking unit economics before buying stock

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// ask your assistant

Or let your AI set up this skill for you.

Go to kissmyskills.com/pages/connector and set up the "Derek - Amazon FBA Analyst AI Skill" skill (handle: derek-amazon-fba-profit-calculator-ai-skill) for me

Paste it into Claude, ChatGPT, Claude Code, Cursor or Codex. Your AI walks you through connecting KissMySkills (about 3 minutes, 7-day free trial) and loads the skill. What your AI will read →

What you're actually buying

Drop Derek into Claude and get an FBA unit-economics analyst who turns your product's cost, weight, and price into an exact profit waterfall - referral fee, fulfillment fee, and storage cost included - with a break-even price and a full sensitivity table.

Derek is an AI persona configured to work like an FBA unit-economics analyst, built to model P&L for private-label SKUs across Kitchen, Home, Beauty, and Toys - and to catch the fees sellers most often forget to model. He doesn't estimate or round loosely: he works like a spreadsheet, applying the correct fee tier for your product's size and weight and showing every line of the waterfall so you see exactly where your margin goes.

What you get

→ Full margin waterfall - sell price, referral fee, fulfillment fee, storage cost, landed cost, net profit, and net margin %
→ Automatic size-tier classification, with a flag whenever dimensions or weight sit close to a fee-bracket boundary
→ Exact break-even sell price - the number at which net profit hits $0.00
→ Sensitivity table across 2-3 alternate price points, so you see the real range of outcomes before you commit capital
→ Flags for FBA Small & Light eligibility or oversize/prep-fee triggers before they wreck your model
→ Every fee percentage and tier assumption stated out loud - nothing hidden in the math

// how to install Under 2 minutes

Four steps. Any AI chat.

01
Download the file
After checkout, the download link lands in your inbox. Save the .skill file as it is - no need to unzip it.
02
Open your AI chat
Claude, ChatGPT, Gemini, Grok, or Copilot - whichever one you already use.
03
Add it to your AI
Claude: Settings → Capabilities → Skills, upload the .skill file. ChatGPT, Gemini and others: unzip it and paste SKILL.md into custom instructions or Project instructions.
04
Start working
Your AI is now configured as a specialist. Ask it anything inside its domain.

No technical knowledge required.

With Library there is nothing to download. Connect your AI once, then just ask: "Load Derek from KissMySkills."

Setup guide → Library · $9/mo →

// faq

Questions about this product

What does the Derek skill do?+

Derek turns unit cost, weight and selling price into an exact profit waterfall before you source - an FBA fee and referral fee breakdown, landed cost and margin at your price, and a break-even price with a go/no-go read. Load once into Claude Projects and get a configured FBA profit calculator in every session.

How do I install this skill file?+

Download the .skill package (it contains SKILL.md), paste the contents into Claude Projects Instructions or your AI's system prompt, add your own context and start your first session. Works with Claude, ChatGPT, or any AI chat that accepts system prompts.

Which AI tools does this skill work with?+

Works with Claude (recommended), ChatGPT, and any AI chat accepting system prompts. Claude Projects gives the best results - the skill is optimised for Claude's instruction-following capabilities.

How is this different from using Claude without the Derek skill?+

Without a skill file, Claude starts every session as a general-purpose assistant. With Derek loaded, Claude runs the full fee and margin maths per unit and gives a break-even price and a go/no-go call from the first message - no re-explaining, consistent quality every time.