The Optimisely Blog
Practical guides on cutting Fivetran, BigQuery, and Snowflake costs. Written for data engineers who have better things to do than chase runaway bills.
Data Engineering•7 min read
ELT vs ETL: What is the Difference and Which Should You Use?
A practical explainer of ELT vs ETL, when each approach makes sense, and why modern data stacks have moved to ELT.
10 April 2026
BigQuery•9 min read
How to Reduce Your BigQuery Costs: A Practical Guide for 2026
Practical techniques to cut your BigQuery bill: slot allocation, partitioning, clustering, materialised views, and the one thing most teams miss.
9 April 2026
Snowflake•8 min read
Snowflake Cost Optimization: 8 Practical Techniques for 2026
Real-world techniques to cut your Snowflake bill: warehouse sizing, auto-suspend, resource monitors, and the biggest hidden cost most teams miss.
8 April 2026