Check forms for missing details, return them for correction. Every one is ready to run, and you can adjust it in plain language.
Keep duplicate identifiers out of the tracking table.
Keep your tracking table focused on valid form responses, with an email explaining what was added or what needs fixing.
Reconcile new scrape results with the existing property catalog.
Keep your short-stay catalog current as new accommodation scrapes finish, with changed listings and possible duplicates ready for review.