Appending on every run turns a tidy base into six copies of every row. Here is how upsert works in Airtable, and how to choose a merge key that holds up.

Stripe's dashboard exports are manual and stale the moment you download them. Here is how to keep customers, invoices and charges fresh in a sheet instead.

Point a job at a CSV link and it re-reads it on your schedule — no download, no manual import. Here is the setup, and the field-type trap to avoid first.

Mailchimp's reporting lives one campaign at a time. Here is how to get opens, clicks and bounces for every campaign into Airtable, updating on a schedule.

As your stack grows, so does the job of keeping data in sync. The practices that hold up when nobody on the team is a data engineer.