What investing mistake taught you the most

Summary

• The post is a community discussion where the author asks r/ValueInvesting members to share the investment mistakes that taught them the most valuable lessons.
• The author's thesis is not about a specific stock but rather a prompt to gather wisdom from the collective experience of the community, focusing on process improvement over specific wins or losses.
• Quality assessment: This is a qualitative discussion, not research or DD. It's a collection of anecdotes and personal investment philosophies, making it noise from a direct trade signal perspective but valuable for understanding investor psychology and common pitfalls.