Fintel AnalyticsCloud Data Warehouse Cost Optimisation: A 2026 Guide
Cloud data warehouse bills spiralling out of control? This practical guide covers the strategies, tools, and decisions that help businesses cut costs without sacrificing performance.
Fintel Analytics blog
Data & AI Insights
Expert perspectives on data analytics, AI agents, internal tools, and business intelligence from the Fintel Analytics team.
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BigQuery CTEs Re-evaluated Every Time: The dbt Cost You're Missing
BigQuery silently re-evaluates CTEs every time they are referenced — a behaviour that can multiply query costs inside complex dbt models without a single warning.
BigQuery Window Functions Without PARTITION BY: The Silent Cost Killer
A missing PARTITION BY in a BigQuery window function can silently scan millions of rows it never needed — and you won't see it until the invoice arrives. Here's how to find and fix it.
dbt Full-Refresh Models in BigQuery: Stop the Silent Cost Bleed
dbt full-refresh models in BigQuery silently balloon your cloud bill as data grows. Here's how to find the offenders, understand the real cost, and migrate safely to incremental.
Why Your dbt Models Are Running Slow — And How to Fix It
Slow dbt models are costing you more than just time — they inflate cloud bills and delay decisions. Here's how to diagnose and fix the real causes.
BigQuery Query Cache Invalidation in dbt: Why Your Cache Never Hits
BigQuery offers free query result caching — but most dbt projects silently invalidate it on every run. Here's exactly why it breaks and how to fix it.
BigQuery On-Demand vs Slot Reservations: Which to Choose
Choosing the wrong BigQuery pricing model can double your bill. Here's the decision framework — with real numbers — to get it right at your stage of growth.
BigQuery Partitioning & Clustering Mistakes Killing Your Bill
Partitioned tables don't automatically mean cheaper queries. Discover the six silent mistakes that bypass partition pruning in BigQuery — and exactly how to fix them before your next bill arrives.
dbt Incremental Models Strategy: When and How to Use Them
Full table rebuilds are silently draining your BigQuery budget. Here is the decision framework for getting dbt incremental models right — the first time.