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Inventory and profit spreadsheet for resellers

In short: An Excel sheet with 500 rows: profit per item, days in stock and a yearly overview per platform with a DAC7 check.

FreeWith emailUpdated 28 October 2026

Excel, free in exchange for your email address.

An empty Excel file in which you track per item what you paid, where it is listed and what it sold for. It works out your profit itself, counts how long something has been sitting, and shows in a yearly overview per platform whether you pass the DAC7 limit.

What is inside

We only use your address for what is stated above. We do not sell it and we do not add you as a customer automatically.

Frequently asked questions

Is the spreadsheet really free?

Yes. You pay nothing, your email address is the trade. You do not need an Omnivaleur account.

What does the DAC7 check in the yearly overview do?

Per platform it counts your sales and revenue in the chosen year. At 30 sales or more, or revenue above €2,000, it says the platform reports your details to the tax authority.

Does it work in Google Sheets and Numbers?

It is made and tested for Excel. It may work in other programs, but we have not tested that. Check the formulas there.

How many items fit?

500 rows. If you have more, copy the last row downwards.

Read more

More free tools

💶 Fee calculator📉 Price drop planner📈 Profit margin calculator🧾 DAC7 checker🧮 VAT margin scheme calculator⚖️ Second-hand sales tax check🔤 Title length checker✍️ Listing description generator → All tools

List everywhere in one go?

Omnivaleur puts one item on Marktplaats, 2dehands, Vinted and eBay in one go, with its own price per marketplace and a title that fits each limit. When it sells somewhere, the other listings come down. 7 days free, no credit card needed.

Try it free for 7 days