24/7 arbitrage signals sourced from Japanese TCG markets — Mercari JP, Yahoo Auctions Japan, Rakuma & Magi. Every deal comes with verified ROI calculations cross-referenced against eBay sold listings, Whatnot recent sales, TCGPlayer market prices & StockX. Pokémon cards, One Piece cards, Yu-Gi-Oh cards — PSA graded slabs, sealed product, alt arts, and vintage. Built for resellers who want institutional-grade price intelligence to beat the market.