Profit Margin Calculator Shopify

What the source does

• FilesystemNone observedNo reads or writes in the source
• NetworkNone observedNo outbound calls in the source
• ShellNone observedNo commands run in the source
• DependenciesPinnedNothing floats
• SecretsNone foundNo keys in source

Five audit layers

Gates applied: no behavioural pass.

Audit 0.4.1 · source sha 3e6c611584c3 · 19 Oct 2026Report an issue or request a re-scan

• Publishernexscope-ai GitHub organizationOwner of the repository this skill is read from
• Source foldernexscope-ai/eCommerce-Skills/profit-margin-calculator/profit-margin-calculator-shopifyThe exact folder we audited
• LicenceMITAs the repository states it
• Commit pinned for this verdict3e6c611584c3A new audit runs when the source changes
• Repository statusNot archivedLast push 54 days ago
• Sandboxed runNot runSkills are read, not executed; layer L4 is skipped

Its description: Shopify/DTC profit margin calculator for sellers. Calculate cost breakdowns including ad spend, CAC, payment processing fees, and 3PL costs. Includes LTV/CAC analysis and DTC-specific benchmarks. No API key required.

---
name: profit-margin-calculator-shopify
version: 1.0.0
description: "Shopify/DTC profit margin calculator for sellers. Calculate cost breakdowns including ad spend, CAC, payment processing fees, and 3PL costs. Includes LTV/CAC analysis and DTC-specific benchmarks. No API key required."
metadata: {"nexscope":{"emoji":"💰","category":"ecommerce"}}
---

# Profit Margin Calculator — Shopify/DTC 💰

Calculate product profitability for Shopify and DTC stores — cost breakdowns, profit margins, and CAC/LTV analysis.

## Installation

```bash
npx skills add nexscope-ai/eCommerce-Skills --skill profit-margin-calculator-shopify -g
```

## Cost Components

| Cost Item | Description | Notes |
|-----------|-------------|-------|
| Product Cost | FOB purchase price | - |
| Inbound Shipping | To 3PL warehouse | - |
| 3PL Fulfillment | ShipBob/Deliverr etc. | - |
| **Payment Processing** | 2.9% + $0.30 | Shopify Payments |
| **Advertising** | 20-40% | Main cost ⚠️ |
| Return Cost | Return processing | - |
| Customer Shipping | If free shipping offered | Optional |

## DTC Characteristics

- **No platform commission**: Only payment processing fees
- **High ad spend ratio**: 20-40%, main cost driver
- **Requires high margins**: 60%+ gross margin to support ads
- **Focus on LTV/CAC**: Recommended >3

## Key Metrics

| Metric | Recommended |
|--------|-------------|
| Gross Margin | >60% |
| Net Margin | >20% |
| LTV/CAC | >3 |
| Repeat Rate | Higher = better |

## Usage

```bash
python3 scripts/calculator.py

python3 scripts/calculator.py '{"selling_price": 49.99, "ad_spend_ratio": 0.20, "product_cost": 12}'
```

## Output Example

```
💰 **Shopify/DTC Profit Analysis Report**

Selling Price         $49.99   100.0%
────────────────────────────────────────
Product Cost          -$12.00    24.0%
3PL Fulfillment       -$4.50     9.0%
Payment Processing    -$1.75     3.5%
Advertising           -$10.00    20.0%  ⬅️ Main cost
...
────────────────────────────────────────
Net Profit            $18.59    37.2%

💡 Max Affordable CAC: $10.00
```

## DTC Golden Ratios

```
DTC Health Formula:
├── Gross Margin > 60%
├── Ad Spend < 30%
├── Fulfillment < 15%
├── Net Margin > 15%
└── LTV/CAC > 3
```

## vs Amazon

| Item | Amazon | Shopify/DTC |
|------|--------|-------------|
| Platform fee | 8-15% | 0% |
| Payment fee | Included | 2.9% + $0.30 |
| Ad spend | 10-20% | 20-40% |
| Margin need | 40%+ | 60%+ |
| Traffic | Platform | Self-built |

---

**Part of [Nexscope AI](https://www.nexscope.ai/?co-from=skill) — AI tools for e-commerce sellers.**

Excerpt, first 2,561 characters of SKILL.md, verbatim from the audited commit. It is text from someone else’s repository, quoted so you can judge it before your agent reads it.

npx skills add nexscope-ai/eCommerce-Skills --skill profit-margin-calculator-shopify -g

git clone https://github.com/nexscope-ai/eCommerce-Skills
git -C eCommerce-Skills checkout 3e6c611584c3

Works in

1. 2026-10-19
   ✓SAFE B 89 / 100

   first audit · source 3e6c611584c3

Questions about Profit Margin Calculator Shopify

• github.com/nexscope-ai/eCommerce-Skills/tree/main/profit-margin- — the audited source at commit 3e6c611584c3 and every finding aboveObserved · 19 Oct 2026

Spotted something wrong? Report a correction · Methodology