🔸 TL;DR

“Estimates are like the best lie we can give you.”

— Mike Beedle

That quote is brutal… but useful. 😅.

An estimate is not a contract.

It is a forecast made with incomplete information.

The problem is not estimating.

The problem is pretending estimates are certainty.

🔸 WHY THIS MATTERS

In software development, we estimate things we have not fully discovered yet:

▪️ Hidden complexity

▪️ Legacy surprises

▪️ Changing requirements

▪️ Dependencies on other teams

▪️ Bugs we have not met yet

▪️ Human context switching

▪️ Unexpected production issues

So yes, estimates are often wrong.

But that does not mean they are useless.

🔸 THE REAL VALUE OF ESTIMATES

A good estimate should help the team discuss risk, uncertainty, and trade-offs.

It should start a conversation, not close one.

▪️ What do we know?

▪️ What are we assuming?

▪️ What could go wrong?

▪️ What can we split?

▪️ What can we deliver first?

▪️ What needs discovery before commitment?

That is where estimation becomes useful.

🔸 TAKEAWAYS

▪️ Estimates are guesses, not guarantees.

▪️ The larger the scope, the bigger the uncertainty.

▪️ A precise number can create a false sense of control.

▪️ Estimation should expose assumptions, not hide them.

▪️ Developers should not be punished for uncertainty.

▪️ Better slicing often beats better guessing.

▪️ Trust improves when teams communicate risk early.

Estimates are not the truth.

But honest estimates can reveal the truth faster. ⚙️

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