This guide provides a high-level overview for setting up dbt Core via the command line interface on an M1 Mac, specifically for users who prefer not to use Python virtual environments or Docker. It emphasizes the installation of Rosetta and Homebrew as prerequisites, followed by dbt itself. The instructions include cloning a GitHub repository and configuring the `profiles.yml` file, which is crucial for setting up the Snowflake connection with parameters such as account, role, user credentials, database, warehouse, schema, and threading. Users are guided to ensure the correct configuration directory using `dbt debug --config-dir` and are advised to test their connections with `dbt debug` to confirm readiness for contributing to a dbt project.