The most common way an n8n workflow fails in a small business isn't a bug. It's a supplier's server being busy at 6 AM. A workflow runs on a schedule, the HTTP Request step gets an error, the run stops, and nobody finds out until someone opens a spreadsheet that didn't update.
Source: [Dev.to](https://dev.to/robert_breen_d96e41ecd765/n8n-retry-a-429-or-a-500-fail-fast-on-a-401-http-status-codes-retry-on-fail-and-the-error-output-1lbc)