The 80% Rule: Why Finishing Tasks isn’t Always the Smartest Use of Time

Let’s be honest: most of us are drowning in small tasks.

You start your day with a solid plan. And yet, hours disappear into polishing slides no one will zoom in on, rereading emails to sound just right, fixing formatting, and triple-checking the obvious.
You’re working. A lot.
But nothing truly moves forward. Here’s the problem:

You’re spending too much time finishing the wrong things. You do not need another time-blocking hack or color-coded app.
You need a mental switch: Learn to stop at 80%. Not because you’re lazy. But finishing everything perfectly is costing you progress.

What’s the 80% Rule?

Get 80% of the value from a task, then move on. No over-polishing. No obsession with perfection. No dragging low-impact work across multiple afternoons. You’ll be surprised how often 80% is “done enough” and how much time you unlock for actual priorities.

But Isn’t That Just Cutting Corners?

Let’s get something straight:
The 80% Rule doesn’t mean you are careless about your work. It means knowing the difference between what deserves your full energy… and what just needs to be completed functionally. Because here’s what happens when you try to finish everything with 100% energy:

  • You waste hours perfecting things that won’t be remembered
  • You delay meaningful work that requires your brainpower
  • You end the day exhausted, but strangely unsatisfied

🔍Here are a few areas where 80% is often more than enough:

  • Emails: You don’t need to rewrite it three times to sound polite
  • Slides & Documents: Perfect formatting doesn’t matter if the message is unclear
  • Low-priority Admin: Comparing 12 toothpaste brands is not the hill to die on
  • Group Work: You don’t need to carry the entire weight of the project

Start noticing when your effort creeps into the zone of diminishing returns. That’s your cue to stop.

How to Use the 80% Rule Without Feeling Guilty

This rule is about focus, not shortcuts. And using it well takes self-awareness.
Here’s how to start:

  1. Define What “Good Enough” Looks Like Before You Start
    If it’s a status update or internal doc, don’t treat it like a TED Talk.
  2. Check the Impact, Not Just the Urgency
    Ask: “Will anyone care if this is 80% or 100%?”
  3.  Batch and Move On
    Set a timer. Finish the task. Move forward. Reinvest saved time into deep work or recovery

Remember: Your time is not infinite. Spending it all on shallow tasks doesn’t make you a better student or professional, just a busier one.

 In Case You Skimmed, Here’s What Matters:

✔ Stop giving low-impact tasks 100% of your energy
✔ Not everything deserves to be perfect; most things won’t be remembered
✔ Use the 80% Rule to reclaim time, focus, and mental clarity

📌 Your challenge this week:
Choose one task to finish at 80%. Notice how it feels. Then spend the extra time on something that actually matters to you.

If you enjoy reading this blog, you might also like the previous one.

The Myth of the Perfect Routine

 

 

Mariami

Hi! I’m Mariam, and for the longest time I thought being successful meant doing more and constantly having packed days. I used to think rest was a reward for hard work, not something I deserved by default. Reaching burnout because of my very fast-paced life made me reevaluate my beliefs, and I’ve started embracing living in a more peaceful way. Learning to slow down wasn’t easy, but it’s been one of the most valuable lessons of my life. If you’ve ever felt the same way, I’d love to hear your thoughts! Through this blog, I want to challenge the way we think about success, productivity, and what it truly means to live well.

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