DuckDB Just Put a $400K/Year Skill on Your Laptop

DataExpert's post argues that lakehouse architecture, the "$400K/Year Skill" of its title, is now free to practise. In 2026 DuckDB learned to write Apache Iceberg tables, so with dbt Core the whole stack runs on a laptop, where practising it used to mean a cloud warehouse bill the article puts at $400K a year. It is candid about what a laptop cannot teach, from DuckDB's single writer to the operational failures of a real Iceberg estate, and ends with a recipe for a portfolio project. Most of its figures, from vendor prices to salaries, come without a source.

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