Unknown author · Shopping
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Scores listings 1–10 with sold-price comps, product reputation checks, cross-site price compare, and scam detection. Deal Scout scores secondhand listings using AI — so you know if a deal is worth it before you message the seller. HOW IT WORKS Open any Facebook Marketplace, Craigslist, eBay, or OfferUp listing and Deal Scout automatically: • Scores the deal 1–10 using real eBay sold prices as the market benchmark • Analyzes listing photos with AI vision to catch condition mismatches • Checks product reputation (model reliability, common issues, owner reviews) • Compares prices across multiple marketplaces and retailers • Flags scam signals and seller trust issues • Shows where to buy new if the used price isn't worth the risk • Recommends a fair counter-offer price • Generates ready-to-send negotiation messages in three tones WHAT YOU SEE ✅ BUY / ⚠️ CAUTION / ❌ AVOID verdict with score 📊 Market comparison — sold avg, active listings, new retail price ⭐ Product reputation — model reliability and common issues 🔍 AI summary — green flags, red flags, condition notes 🛡️ Security score — scam risk assessment 🛒 Where to buy — ranked cards across Amazon, eBay, and more 💬 Negotiation messages — polite, direct, or lowball, copy in one click 🔖 Save listings — revisit later from the toolbar with price-drop tracking COMPLETELY FREE No subscription. No account required. No ads. Just install and browse. PRIVACY Deal Scout doesn't track your browsing, doesn't sell your data, and doesn't require a login. Listing data is sent only to score the deal and is not retained. SUPPORTED PLATFORMS • Facebook Marketplace • Craigslist • OfferUp • eBay GET STARTED Install Deal Scout, open the next used listing you're considering, and the score panel appears automatically. That's it.
Aug 24, 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.