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AR Bird
AR Bird

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Hacktoberfest Week 2 Challenge - FlipGen: Local Reseller Listing Engine

#devchallenge #hf26challenge

Hacktoberfest Open-Source AI Challenge Week 2: Side Hustle Submission 💸

This is a submission for the Hacktoberfest Open-Source AI Challenge Week 2: Side Hustle

What I Built

FlipGen is a local listing engine that transforms raw item notes and conditions into platform tailored listings for eBay, Poshmark, and Mercari.
Who would pay for it: Independent resellers, thrift flippers, and vintage curators.
Problem it solves: Eliminates the "death pile" (hours spent manually writing listings for multiple platforms).

Demo

https://flipgen-reseller-engine.onrender.com/

Code

GitHub logo realarbird / FlipGen-Local-Reseller-Listing-Engine

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âš¡ FlipGen: Local Reseller Listing Engine

DEV Hacktoberfest 2026 Model Runtime Deployed on Render

FlipGen turns messy thrift store notes and condition observations into search-optimized listings for eBay, Poshmark, and Mercari simultaneously—running locally on Google's Gemma 2 via Ollama at $0 token cost.

🎯 The Side Hustle Problem & The Gemma 2 Solution

Reselling thrift finds, vintage electronics, streetwear, sneakers, and collectibles is one of the world's most accessible and lucrative side hustles. However, cross-listing inventory across multiple marketplaces is exhausting:

  • eBay requires a strict 80-character maximum SEO title packed with keywords, bulleted condition disclosures, and item specifics.
  • Poshmark requires a warm, aesthetic, conversational closet tone and trending style tags.
  • Mercari rewards concise titles, honest flaw disclosure, and fast shipping assurances.

Existing AI tools use closed APIs (OpenAI GPT-4o, Claude) that charge per token. When processing 50 to 500 inventory items a month, token fees eat directly into a reseller's profit margins.

FlipGen eliminates…

View on GitHub

How I Built It

Open-Weight AI: Powered by Google's Gemma 2 (gemma2:2b / 9b / 27b) running locally via Ollama.
Tech Stack: React 18, Vite, Tailwind CSS, and Firebase (Google Sign-In + Firestore live sync). Includes an interactive CORS terminal setup guide and an instant Judge Demo Mode for testing on Render without a local GPU.

Why Does Open Innovation Matter?

$0 Marginal Cost: Open weight models makes processing hundreds of items completely free for solo entrepreneurs.
Total Data Privacy: Sourcing locations, purchase costs (COGS), and supplier notes stay 100% on your machine instead of being sent to third party cloud servers.
Offline Autonomy: Resellers sourcing in basement sales, flea markets, or remote thrift stores can generate listings locally with no internet access and no rate limits.

Prize Categories

  • Best Use of Gemma
  • Best Use of Render

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