Quick answer
Twenty PM mistakes that repeat: missing sponsor, vague scope, optimistic estimates, invisible status, unpriced changes, skipped retros — the patterns to check yourself against.
Setup mistakes
No sponsor, vague scope, no success criteria, team assembled by availability not fit, plan written alone.
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Planning mistakes
Optimistic estimates, no buffers, dependencies assumed, risks brainstormed then filed, plan as wallpaper.
Execution mistakes
Unpriced changes, invisible status, meetings without decisions, issues unowned, blockers aging silently.
People mistakes
Overloaded key people, feedback avoided, burnout ignored, heroics rewarded, knowledge in one head.
Closure mistakes
No handover, skipped retro, lessons unrecorded — the org re-learns the same mistakes next time.
Bottom line
Twenty PM mistakes that repeat: missing sponsor, vague scope, optimistic estimates, invisible status, unpriced changes, skipped retros — the patterns to check yourself against.
FAQ
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