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Common Mistakes

Some mistakes are so common they look like the normal way of doing things — until you pay for them. This collection covers errors people repeat for years: in money, relationships, health, and paperwork, and the simple ways to stop making them.

Thinking

Your News Feed Is Not the World

Your feed is optimized for engagement, not accuracy — consume news deliberately, not passively.

12
Thinking

Not Everything Is a Story

Your brain turns random events into neat stories — be suspicious of explanations that feel too clean.

12
Thinking

Don't Let the First Number Set the Frame

The first number you hear shapes every number after it — set your own reference point before someone else does.

11
Career

Doing Other People's Work to Seem Helpful Is a Trap That Stalls Your Career

Constantly doing other people's work stalls your own growth and teaches others to depend on you instead of growing themselves.

10
Career

Do Not Become the Only Person Who Knows How Something Works

Hoarding critical knowledge chains you to your current role — sharing it freely marks you as a leader.

8
Career

If You Are Irreplaceable, You Will Never Be Promoted

Making yourself replaceable in your current role is a prerequisite for being considered for a bigger one.

10
Career

Do Not Let Loyalty Become Self-Abandonment

Check regularly whether your company loyalty is mutual — one-sided devotion quietly becomes self-harm.

7
Career

Never Start Work Without a Signed Contract — Even with Friends

A signed contract before work begins protects both parties and prevents misunderstandings from turning into conflicts.

9
Career

Do Not Normalize Disrespect Because the Pay Is Good

No salary is high enough to justify tolerating consistent disrespect at work.

10
Career

Do Not Start a Task Without Fully Understanding What Is Expected

Five minutes of clarifying questions before starting can save days of rework — understand the goal before you start building.

20
Career

Do Not Agree to Deadlines You Know You Cannot Meet

Agreeing to a deadline you know is impossible only delays and magnifies the problem — negotiate honestly instead.

13
Career

Don't Hide a Problem Hoping It Will Fix Itself — It Won't, and It Gets Worse

Problems at work almost never fix themselves — surface them early while they are still small and manageable.

6
Career

Multiply Your Time Estimates by 1.5 — You Will Still Be Optimistic

Pad your time estimates by fifty percent — you will still occasionally run over, but you will miss far fewer deadlines.

20
Career

Don't Share Your Current Salary — It Anchors the Conversation Against You

Your current salary has nothing to do with your market value — do not let it set the ceiling for your next offer.

5
Career

Don't Gossip at Work — It Always Gets Back to the Wrong Person

Workplace gossip always travels further than you intend and damages your reputation more than theirs.

7
Career

Don't Be Afraid to Ask "Stupid" Questions During Your Probation

Your probation period is the only time when basic questions are fully expected -- use it to fill every knowledge gap you can.

10
Career

Never Badmouth Your Previous Employer in an Interview

Speaking poorly about a former employer reflects more on you than on them -- stay professional and forward-looking.

6
Career

Do Not Accept a Vague Role with Vague Success Criteria

A role without clear success criteria is a role where you can never truly win -- clarify expectations before you start.

6