What is COGS?
COGS (Cost of Goods Sold) represents the purchase price of your articles. By entering the COGS for each article, Vinkit automatically calculates your real profit margin.Margin = Selling price - Platform fees - COGSWithout COGS entered, Vinkit cannot calculate your real profitability.
Add COGS to an item
Open the article details
From the Articles section of the dashboard, click on the article to open its detail page.
Bulk COGS entry
To enter the COGS for multiple articles at once:- Go to Articles and switch to the table view.
- The COGS column is directly editable: click on the cell and enter the amount.
- Move from one cell to the next with the Tab key.
- Changes are saved automatically.
Understanding calculated margins
Once the COGS is entered, Vinkit displays for each sold article:| Data | Description |
|---|---|
| Selling price | The amount paid by the buyer |
| Platform fees | The commission charged by the selling platform |
| Shipping costs | Delivery costs (if at your expense) |
| COGS | Your purchase cost |
| Net margin | What remains after all deductions |
| Margin % | The net margin as a percentage of the selling price |
View your global margins
In the Finances section, the summary table automatically includes COGS to display:- Total margin over a given period
- Average margin per article
- Most profitable articles and least profitable articles
Best practices
- Enter the COGS at the time of purchase — don’t put it off, you risk forgetting the exact price.
- Include all costs — if you paid shipping to receive the article, add it to the COGS.
- Use CSV import for large inventories — it is much faster than manual entry.