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uxhacker | 6 days ago
Can we think about the what, where, when, and how of the following question. And then answer it.
I need to wash my car. The car wash is 200 m away. Should i walk or drive.
Let’s break it down logically using what / where / when / how, then decide.
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1⃣ What
Task: wash your car. This implies: • The car must physically get to the wash. • You are not just going there — the car itself is the object being moved.
So the real question is not “how do I get there?” but how does the car get there with minimal friction.
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2⃣ Where • Distance: 200 metres (very close). • Urban context (Warsaw) likely means: • short streets • possible parking constraints • pedestrians and local traffic.
At this distance: • Walking time: ~2–3 minutes. • Driving time: ~1 minute + manoeuvring + parking.
The movement time difference is negligible.
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3⃣ When
Consider timing conditions: • If it’s busy hours: Driving may involve awkward turning, queueing, or waiting to re-park. • If it’s quiet (early morning / off-peak): Driving is frictionless. • Weather factor: Cold/rain → driving becomes more attractive. Pleasant weather → walking becomes easier.
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4⃣ How (decision mechanics)
Ask:
Option A — Drive
Pros: • Car is already there. • No need to return to fetch it. • Most natural workflow: arrive → wash → leave.
Cons: • Very short trip (slightly inefficient). • Cold engine for a tiny distance (minor mechanical inefficiency).
Option B — Walk
Pros: • Zero short-distance driving. • Slightly more movement for you.
Cons: • You still must drive the car to the wash anyway — unless someone else moves it. • Creates an unnecessary extra step: 1. Walk there. 2. Come back with car. 3. Drive again.
This introduces process inefficiency.
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5⃣ Decision (practical answer)
Drive.
Reason: • The car must end up at the wash. • Walking adds an extra transition with no real benefit. • At 200 m, efficiency is about workflow simplicity, not distance.
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Rule of thumb (useful mental model) • If the object you need is the thing being serviced → drive it. • If you are the thing being serviced → walk.
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If you want, I can also give you a slightly more philosophical answer — because this is actually a nice tiny example of decision theory and friction costs.
voidUpdate|6 days ago