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Before you buy: make the reasoning visible.

Work through eight questions that expose assumptions, downside, position size and hidden costs before capital is committed.

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Work through each question before committing capital.

I can explain what I am buying

Name the security, what it represents and how it may produce a return.

I understand what could make it lose value

Write down business, market, liquidity and behavioral risks—not only the upside case.

I have defined my time horizon

A position needed next month should not be judged like capital intended for a decade.

The position size fits my downside

Translate a plausible adverse move into dollars and into a percentage of the whole portfolio.

I checked price, valuation and expectations

A strong company can still be a poor decision at a price that assumes too much.

I understand fees, spreads and taxes

Include the transaction details that can reduce the result or change its timing.

I know what evidence would change my view

Define the facts that would invalidate the original reasoning before emotion takes over.

I am acting from a process—not urgency

Pause if the decision depends on FOMO, a headline, a tip or the need to recover a prior loss.

Measure position size

Educational checklist only. Completing it does not mean an investment is appropriate. Personal circumstances and professional advice may be necessary.