Dot sourcing can simplify large PowerShell scripts -- but without a clear structure, it can quickly lead to chaos.

Ensure all price values are valid floats. If missing or invalid, set to 0.0. Ensure all quantity values are integers. If missing or invalid, set to 0. Convert timestamp into a standard datetime object ...

Your friends won't love it when you bail on a coffee date because you were notified you were out of disk space.

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