It takes 10 minutes to fix a crash.
It takes 3 days to find a silent data quality error.
Most data architectures fail quietly.
They don't break on launch day.
They break on day 90, when nobody remembers the decision that caused it.
Here’s what that looks like in practice:
INGESTION
✕ Pull everything, filter later
✓ Validate at the edge
Bad data is cheapest to kill at entry. Let it in and it travels everywhere.
✕ No schema contract with the source
✓ Agree on types and nullability upfront
Upstream changes without a contract = your problem, not theirs.