AI Berkshire Space

Quality screen and quick-kill checklist

Filter weak ideas before they consume research time with red lines, inversion, and moat durability tests.

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Workflow

Quick-kill gates

Integrity, accounting, debt, business decay, and data gaps can stop the process early.

Inversion

The memo asks how the thesis can fail before it asks why it can work.

Moat durability

Competitive pressure, substitution, regulation, and customer behavior are reviewed separately.

Limits and method notes

This page explains a research workflow, not an investment recommendation. Outputs should be checked against primary sources, fresh market data, filing data, and your own suitability constraints.

Full planner output requires package selection and Polar checkout verification.