Underpriced - AI Profit Checker for Resellers

Flip smarter. Skip faster. Make more profit.

Stop guessing if items are worth buying. Underpriced is the ultimate profit checker app for resellers that analyzes any marketplace listing in 15 seconds to show you deal scores, profit potential, and red flags so you can buy with confidence and resell for maximum profit.

🎯 WHAT UNDERPRICED DOES • Instant Deal Analysis: See at a glance if a listing is a great deal, fair price, or overpriced. Get a clear Deal Score from 0 to 100 so you know exactly what's worth buying.

• Market Value Estimation: Know what an item is actually worth before you buy. Get accurate market valuations based on current listings, eBay prices, and demand trends. Perfect for answering "what is this worth" or "how much can I sell this for" in seconds.

• Red Flag Detection: Protect yourself from scams and bad deals. Identifies warning signs like suspicious pricing, missing information, or potential authenticity issues.

• Smart Negotiation: Get personalized negotiation tips and strategies. Know your leverage and what price to aim for when making offers.

• Flip Potential Analysis: Spot reselling opportunities with our profit calculator for resellers. Get profit margin estimates, best platforms to sell on (eBay, Poshmark, Mercari, Facebook Marketplace), and expected time to sell.

🚀 HOW IT WORKS

1. Navigate to any marketplace listing on eBay, Facebook Marketplace, Craigslist, OfferUp, or any site
2. Right click and select "Analyze This Listing" OR click the Underpriced extension icon
3. Capture a screenshot showing the listing price, title, description, and item photos
4. Click "Analyze Now" and get instant insights: deal score, market value, red flags, negotiation tips, and flip potential

✨ KEY FEATURES • Universal Compatibility: Works on any marketplace website. This Facebook Marketplace listing analyzer and eBay price checker works everywhere you source items.

• Real Time Results: Get analysis in seconds, not minutes. No more checking comparable sales across 10 tabs.

• Add to Flip Tracker: Monitor and plan flips. Set purchase prices, track target sale prices, and estimate profit before you buy. Built in profit margin calculator keeps your side hustle organized.

• Analysis History: Track and compare every deal you've analyzed. Perfect for retail arbitrage and building your reselling business.

• Multi Currency Support: USD, EUR, GBP, CAD, AUD

🔒 PRIVACY FIRST We only analyze what you choose to share. Your browsing activity stays private. We never sell your data or track your shopping habits.

🎯 PERFECT FOR • Resellers and flippers identifying profitable opportunities at thrift stores, garage sales, estate sales, and online marketplaces • Bargain hunters looking for underpriced gems and thrift flip opportunities • Retail arbitrage sellers scanning clearance and online deals • Cautious buyers wanting to avoid scams and overpaying • Anyone who wants to negotiate with confidence and know if something is worth flipping • Poshmark sellers, Mercari resellers, and eBay flippers

🏆 WHY CHOOSE UNDERPRICED Unlike basic price comparison tools that only work on retail sites, Underpriced analyzes any listing including used items, Goodwill finds, vintage items, local deals, and one of a kind finds. We understand context, condition, and market demand to give you insights that simple price checkers can't.

This is the best app for resellers. Better than manually checking sold listings on eBay or comparing prices across multiple tabs. Our AI price checker for resellers gives you everything you need in one analysis.

Whether you're sourcing from thrift stores, Facebook Marketplace, garage sales, or online arbitrage, Underpriced is your deal finder app that helps you make money flipping with confidence.

💡 GETTING STARTED

1. Install the extension
2. Create a free account at underpriced.app
3. Navigate to any listing and click the extension icon
4. View your Deal Score and decide if it's worth buying

💰 PRICING Free tier includes limited analyses and limited inventory tracker items. Paid plans available at underpriced.app for higher limits and premium reseller tools.

📧 SUPPORT Questions? Contact us at [email protected] Start finding underpriced deals today with the smartest reselling app and thrift store price checker for serious flippers.

Disclaimer: Underpriced provides estimates based on AI analysis and market data. Actual resale prices may vary. This tool is for informational purposes only and does not constitute financial, investment, or professional advice. Always conduct your own research before making purchasing decisions.