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Underpriced AI identifies items from photos using AI vision and web search, then pulls recently sold prices from 6+ resale marketplaces to give you an accurate fair market value โ not just asking prices. Built for thrift flippers, estate sale hunters, antique dealers, and anyone who needs to know what something is worth before buying or selling. Features include multi-photo scanning for maker marks and details, one-click eBay listing, inventory management, donation valuation reports for tax documentation, and an estate sale finder. Pay-as-you-go with scan packs starting at $4, or subscribe from $12/month.
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Underpriced AI's answer:
My wife flips thrift store and estate sale finds, and I watched her spend 10+ minutes researching every item on her phone before deciding to buy. I'm a software engineer, so I built a tool to do it in seconds โ snap a photo and know what it's worth. What started as a side project to help her source faster evolved into a full reseller workflow: scan, price, list, and track.
Underpriced AI's answer:
It's the only tool that combines AI image recognition with real sold price data from 6+ marketplaces in a single scan. Most competitors either identify items OR look up prices โ not both. You get identification, fair market value, comparable sales, and a ready-to-post listing from one photo.
Underpriced AI's answer:
Pricing is based on actual sold data across eBay, Poshmark, Mercari, Facebook, Etsy, and Depop โ not just eBay asking prices. There's no monthly commitment required; you can buy a 5-scan pack for $4 and try it. It also goes from scan to eBay listing in two clicks, which no other pricing tool does.
Underpriced AI's answer:
Thrift store flippers, estate sale buyers, antique dealers, online resellers, and anyone who buys and sells secondhand goods. Also useful for people valuing donated items for tax purposes or settling estates.
Underpriced AI's answer:
Next.js, TypeScript, Claude AI (Anthropic) for image analysis, Perplexity AI for real-time market research, eBay Browse API for live listings, PostgreSQL, AWS, and Vercel.
Underpriced AI's answer:
I've started using this as my main IDE for new projects when I'm trying things out. If it keeps getting better at the rate it has been, it'll be even better than coding locally.
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Managing reactive state and dependent computations in JavaScript can get complex, especially when combining asynchronous and synchronous data. RS-X is a library that allows you to bind expressions to plain objects and makes the parts of the model used by those expressions fully reactive. Dependent computations automatically update when the underlying data changes. RS-X is framework-agnostic. While it can drive UI... - Source: Hacker News / 6 months ago
I like htmx, LiveView, React and Solid. They are great at different points, so I try to combine them in Solv (Stateless Offline-capable LiveView) and write a prototype to show the benefits. Solv's main idea is that stateless servers keep client's state in a volatile cache. It enables server components that are also interactive, which is best of both worlds between LiveView and htmx. Then fine-grained reactivity is... - Source: Hacker News / 9 months ago
I like htmx, LiveView, React and Solid. They are great at different points, and this is a prototype trying to combine them. Solv's main idea is that stateless servers keep client's state in a volatile cache. It enables server components that are also interactive, which is best of both worlds between LiveView and htmx. Then fine-grained reactivity is added to achieve efficient DOM updates + minimal payload size.... - Source: Hacker News / 9 months ago
In the code editor tab (powered by StackBlitz), navigate to the env.ts file and enter your OpenAI key. Run npm run generate in the terminal to see how @autoview generates TypeScript frontend code from example schemas derived from both TypeScript types and OpenAPI documents. - Source: dev.to / over 1 year ago
URL: https://stackblitz.com What it does: An online IDE for coding, previewing, and deploying web apps instantly. Why it's great: Rapidly spin up projects without local setups โ great for experimentation. - Source: dev.to / over 1 year ago
CodeSandbox - Online playground for React
ScoutFlip - ScoutFlip helps thrift resellers, eBay sellers, and online flippers instantly know if an item is worth buying. AI-powered resale value estimates, sell-through rates, and buy/pass decisions in under 10 seconds.
replit - Code, create, andlearn together. Use our free, collaborative, in-browser IDE to code in 50+ languages โ without spending a second on setup.
Google Lens - Discover information about something by taking a photo
CodePen - A front end web development playground.
Underpriced.App - Underpriced โ AI Profit Checker App for Resellers & Thrift Flippers Snap any thrift find or marketplace listing โ get instant profit margins, eBay comps & red flags. Used by 10,000+ flippers. Free to try!
