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
1
Open the article details
From the Articles section of the dashboard, click on the article to open its detail page.
2
Enter the purchase cost
In the COGS / Purchase cost field:
- Enter the price at which you purchased the article (in euros).
- Click Save.
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: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.