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Profit analyzer for Amazon, Walmart & eBay product pages: Max Cost, sales estimate, fees, BSR, Buy Box & offers. Plug Seller adds a profit-analysis panel directly on Amazon, Walmart, and eBay product pages, so you can source smarter without leaving the page. What the panel shows: • Max Cost — the most you can pay and still hit your target ROI • Sales estimate and BSR • Amazon / Walmart fees and net profit • Buy Box price and competing offers • Variation and multi-pack breakdowns How it works: On a supported product page, the panel reads the product identifier (ASIN, UPC, or item ID), title, and price already visible on that page, and returns live profit metrics from the Plug Seller backend. Sign in with your Plug Seller account to unlock full data. The panel auto-appears only on Amazon, Walmart, and eBay pages, plus your own Plug Seller / Plug Akademi sites (to read your existing sign-in). If you click the toolbar icon on any other page, the extension reads that page's product name/identifier once — only in response to your click — to start a sourcing search; nothing is read or collected in the background on other sites. Privacy policy: https://plugseller.com/privacy Independent tool — not affiliated with, endorsed by, or sponsored by Amazon, Walmart, or eBay. Amazon, Walmart, and eBay are trademarks of their respective owners.
Sep 17, 2026
rating_count is the Chrome Web Store ratings count, not a written-review count.
Media assets
Screenshots and videos on the listing.
Has promo video
Whether the listing includes at least one video.
Languages
Declared language locales.
Developer website
Listing exposes a developer website URL.
Contact email
Listing exposes a contact email.
Keyword in name
Case-insensitive substring match in the name.
Keyword in description
Case-insensitive substring match in the description.
Keyword occurrences in description
Count of case-insensitive occurrences in the description.
Category user-count percentile
Share of same-category extensions with fewer users (null if unknown).
These are transparent listing completeness / keyword signals, not a prediction of Chrome Web Store search ranking.