A WordPress quote form should never trust the price the browser sends.
Most quote calculators compute the total in the browser and send it with the form. That number can be edited before it leaves: a request for 5,000 units at a total of 4.00 takes ten seconds to forge in the...
Most n8n workflows are built for the happy path. These are the 4 silent failures I design for before anything goes live.
1. The trigger stops firing. No execution means no failed execution, so the log looks healthy while the leads stop arriving. A separate watchdog on its own...