Marketplace Seller Intelligence

We track the grifters
so you don't get burned.

A public database of price-gouging and fraudulent sellers on Amazon and eBay — backed by a browser extension that warns you before you buy.

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2
Flagged Sellers
1
Platforms Covered
730%
Worst Markup Caught
Flagged Sellers
Sorted by date added. All claims sourced from public marketplace data.
SellerPlatformReason FlaggedFirst Seen
jnxwenu
via zhoukoushi… storefront
 Amazon Listed a Panasonic ES-SL41 charger (fair value ~$10) at $83.32 — a 730% markup. Operating under the parent storefront zhoukoushijinxiriyongpinyouxiangongsi. 2026-05-02 Full report →
zhoukoushijinxiriyongpinyouxiangongsi
 Amazon Parent storefront operating multiple brand aliases for price-gouged accessories. Known brand: jnxwenu. 2026-05-02 Full report →