A ticket calendar looks like an easy automation target: request a page, search for a date, and send an email when it appears. That implementation works until the first queue, partial response, stale cache or provider outage. Then it can quietly turn "I do not know" into "sold out" — or generate...
Source: [Dev.to](https://dev.to/flurin_laim_2f8fe184bcbd1/why-a-ticket-availability-monitor-is-a-state-machine-not-a-scraper-95o)