Building Rollick in 40 Days
The Problem
I'm a reseller. I buy things at thrift stores and sell them on eBay, Facebook Marketplace, Craigslist, OfferUp, and Mercari. The process looks like this:
- Find an item I think is underpriced
- Research what it sells for (search eBay sold, check multiple sites)
- Buy it
- Take photos
- Write a description
- Post to Platform 1, fill in all fields, upload photos
- Repeat for Platforms 2, 3, 4, 5
- Track which platforms it's listed on in a spreadsheet
- When it sells, update the spreadsheet, remove from other platforms
Steps 2 and 6-7 are the problem. Research takes time. Cross-posting takes 20+ minutes per item. Tracking is manual. So I started building.
Week 1-2: rollick-scan
The first tool: an AI scanner. Take a photo of any item and get back what it is, condition assessment, rarity score, resale price from recent sold data, and a buy/pass verdict.
It runs locally using Ollama + LLaVA. No API keys, no cloud dependency. Then I added Meta Ray-Ban support: press the side button on your glasses, it captures what you see, processes it, and speaks the result in your ear. You can scan items hands-free while walking through a store.
github.com/SipMyBeers/rollick-scan (MIT license)
Week 3-4: rollick-autopost
The second tool: cross-platform posting. One API call, five platforms. eBay uses the official Sell API. Facebook, Craigslist, OfferUp, and Mercari use Puppeteer browser automation with human-like delays and fallback mode.
Send a title, description, price, photos, and it handles all five simultaneously. 30 seconds instead of 20 minutes.
github.com/SipMyBeers/rollick-autopost (MIT license)
Week 5-6: rollick.bet
The web app. This is where the tools come together:
- Inventory — Create asset cards with photos, condition grading, rarity scoring
- Dashboard — Real-time net worth tracking
- Marketplace status — See which items are listed where with colored dots
- Sold ledger — Track what sold, where, and for how much
Built on Supabase (auth + database), deployed to Cloudflare Pages.
Week 7-8: Mobile App
React Native + Expo. Same features as the web app plus camera scanner integration, native photo upload, and push notifications. Targeting App Store submission before launch.
Week 9-10: Launch Prep
Where I am right now. 40 days until May 4.
- Waitlist is live with referral system
- PWA is installable from rollick.bet
- Email sequence is written
- Demo videos are scripted
- Legal docs are done
- App Store metadata and build config are ready
What's Left
- Native iOS app build and App Store submission
- Live sweepstakes pools (provably fair prize system)
- Sweepstakes attorney review
- Social media accounts (@rollickbet)
- Demo videos filmed
- Hacker News launch post
The Stack
Frontend: HTML/CSS/JS (no framework), React Native + Expo (mobile)
Backend: Supabase (PostgreSQL + Auth + Storage + Edge Functions)
AI: Ollama + LLaVA (local inference, zero API costs)
Automation: Puppeteer (marketplace posting)
Hosting: Cloudflare Pages
APIs: eBay REST API, GitHub API
Everything is being built in public. Both core tools are open source. Star the repos if they're useful to you.
Join the Waitlist
Be first in when Rollick launches May 4, 2026.