Full Answer
TCO checklist for comparison: 1. Subscription/licensing: Monthly fee to vendor 2. Developer setup: Hours × rate for initial implementation 3. Cloud hosting: Separate infrastructure costs if applicable 4. Ongoing maintenance: Monthly developer hours for updates/fixes 5. Platform API changes: Cost when Facebook/Google change APIs 6. Emergency fixes: Budget for "tracking broke" situations 7. BigQuery: Data warehouse storage/query costs Red flags in pricing:
- "Just $19/month" (but requires $20K developer setup)
- No mention of developer requirements
- Per-event pricing (costs explode at scale)
- Separate charges for each platform integration...