Stop Leaving Money
on the Shelf.
Scan any item. Know the profit before you buy. One find pays for a year of the app.
Every scan searches recently sold listings across eBay, Poshmark, Mercari, Facebook Marketplace, Etsy, and Depop — so you see what buyers actually paid, not just what sellers are asking.
96% pricing accuracy — dual-AI verified with real sold data, not asking prices
Used daily by thrift flippers, eBay sellers, antique dealers, and reselling businesses
How It Works
1. Source
Find deals at estate sales, thrift stores, and auctions.
2. Scan
Take a photo, get AI valuations with eBay market data.
3. Track
Record costs, organize inventory, track profits.
4. Sell
Publish to eBay, Bonanza, and more with AI listings.
Scan Any Item
Snap a photo and get comprehensive valuations powered by AI with real-time web search. Perfect for quick buying decisions at thrift stores, estate sales, and flea markets.
- Snap a photo with your phone camera
- AI searches the web for current market prices
- See sold data from eBay, Poshmark, Mercari & more
- Get eBay titles, descriptions, and reselling tips
Vintage Polaroid SX-70 Land Camera
Cameras & Photography · Good – Working
Estimated Value
$285.00
Range: $225.00 – $375.00
eBay Sold Comps
14 sold · 30 days
Market Demand
High
Generated Listing Title
Vintage Polaroid SX-70 Land Camera Original Chrome Brown Leather Tested Working Instant Film...
Example scan result from Underpriced AI
Save, Track & List
Save scans to inventory, add photos, track purchase prices and profits, then publish directly to eBay—all from one place.
- Upload multiple photos with background removal
- AI-generated titles and descriptions
- Track costs, fees, and profit on every item
- One-click publish to eBay (US, UK, CA, AU, DE)
Everything You Need to Flip Smarter
AI-Powered Identification
Powered by Anthropic's Claude for identification, with real-time sold data from eBay, Poshmark, Mercari, Facebook Marketplace, Etsy, and Depop.
Market Research
See what similar items have sold for recently across multiple marketplaces.
Smart Pricing
Get data-driven price recommendations with low, average, and high estimates.
Sourcing CalculatorNew
Enter your buy price during a scan and instantly see net profit per platform after fees and shipping.
Multi-Platform Selling
eBay (5 countries), Bonanza, and copy for any platform you sell on.
eBay Auto-SyncNew
When items sell on eBay, we auto-pull sale price, fees, and shipping. No manual entry.
Death Pile PrioritizerNew
AI ranks your unlisted items by urgency — age, sell-through rate, and profit potential.
Tax Report ExportNew
Download a Schedule C-ready CSV with revenue, COGS, fees, and profit totals.
Sale FinderLive
Find estate sales, garage sales, and auctions near you.
Inventory ToolsPro Plus
Tags, storage locations, and bulk operations to stay organized.
Business AnalyticsBusiness
Revenue reports, sell-through rates, and ROI analysis.
Two-Factor Authentication
Secure your account with 2FA using any authenticator app.
Batch ScanningNew
Scan up to 10 items at once. Perfect for sourcing hauls at estate sales and thrift stores.
Price AlertsNew
Automated weekly price monitoring. Get notified when item values change by 15%+.
Referral Program
Invite friends and earn 5 bonus scans for each signup. Learn more
What Resellers Are Saying
Latest from the Blog
The Complete Guide to Underpriced AI: Every Feature Explained
Discover every feature of Underpriced AI — from AI-powered scanning and pricing to inventory management, analytics, and cross-platform listing tools. See what is included in each plan.
How to Price eBay Items to Sell Fast in 2026 (Avoid Beginner Mistakes)
Price eBay listings competitively using sold comps for quick sales in 2026. Research tips, avoid emotional pricing, and use promotions wisely.
Best Thrift Store Items to Source for eBay Profits in 2026
Discover top thrift finds for eBay reselling in 2026. Focus on high sell-through rates, lightweight items under 1lb, and seasonal trends for max profit.