SellerGPT

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SellerGPT — profit intel on every Amazon product page

Stop bouncing between a calculator, a price-history tool, and Seller Central. SellerGPT drops all of it into one panel, right on the Amazon listing, so you can judge a deal in seconds.

Open any product and the panel appears in the right column:

• Profit calculator — enter your cost and get profit, margin, ROI, and break-even max cost instantly, with FBA/FBM fees baked in.
• Price & sales-rank history — see how the buy box, Amazon's price, and BSR have moved over time.
• Buy box & offer intel — who's winning the buy box, how many sellers are on the listing, and whether Amazon is one of them.
• Sell-eligibility check — know if you're approved (or gated) before you buy inventory.

Sign in once and the panel rides your existing SellerGPT login — no extra passwords. It runs only on Amazon product pages and nothing else.

Install it, open a product, and see your margins before you finish reading the title.