Priceglitch blog
Notes from the team. Glitch retros, scraper engineering, the occasional rant.
- 2026-04-28
How Glitchfinder catches a price error
Anatomy of a glitch: from the moment a retailer mistypes a price to the moment a Discord message lands in your phone.
- 2026-04-28
The 5% floor: why we reject scam-priced rows
Why a $17.99 ASUS laptop never makes it into your alerts, even though the scraper said so.
- 2026-04-28
The $17.99 laptop: how parse-guard saves you from scam alerts
A real-world look at one of the noisiest failure modes in retail price monitoring, and the 5%-of-list floor that fixed it.
- 2026-04-28
When parse-guard intentionally lets a deal through
The 5%-of-list floor doesn't apply when there's no list price — and that's where the best Home Depot mistakes live.