Tech Tips

20 ChatGPT Prompts That Save Hours Every Week

Most people use ChatGPT like Google — one-line questions. The prompts below are structured, reusable, and each one saves 15+ minutes when you'd otherwise start from scratch.

Email & communication

1. Reply to a long email

> "Here's an email I received: [paste]. Draft a reply that acknowledges their points, agrees on X, pushes back politely on Y, and confirms a next step. Keep it under 120 words."

2. Say no politely

> "Rewrite this refusal to sound warm but firm, no over-apologizing: [paste draft]."

3. Turn bullet points into a professional email

> "Turn these bullets into a polite email to my manager: [bullets]. Use a clear subject and one direct ask."

Planning

4. Break a project into a plan

> "I need to [goal] in [timeframe]. Give me a week-by-week plan with concrete milestones and one metric per week."

5. Meeting agenda

> "Draft a 30-minute meeting agenda for [topic] with [attendees]. Include time boxes and 3 decision points."

6. Weekly review prompt

> "Ask me 5 questions to help me review last week and plan next week."

Learning

7. Explain like I'm 12

> "Explain [concept] to me as if I'm 12, using an analogy from cooking or sports."

8. Feynman check

> "I'm going to explain [topic] to you. When I'm done, tell me what I got right, what I got wrong, and what I skipped."

9. Interview me on a book

> "You're a professor. Ask me 10 questions to test my understanding of [book/chapter]."

Writing

10. Improve a paragraph

> "Rewrite this to be 30% shorter, active voice, no jargon: [paragraph]."

11. Blog post outline from an idea

> "Outline a 1,500-word blog post for beginners on [topic]. Include H2 headings, one key insight per section, and 3 example use cases."

12. Make my writing sound like me

> "Here are 3 samples of my writing: [paste]. Learn my style. Then rewrite this draft in that style: [paste draft]."

Coding

13. Debug helper

> "Here's my code: [paste]. Error: [paste]. Explain the root cause and give the smallest possible fix. Then explain how to prevent this class of bug."

14. Explain unfamiliar code

> "Explain this code line by line, then in one paragraph. Point out anything unusual: [paste]."

15. Test cases

> "Write test cases for this function including 3 edge cases I probably didn't think of: [paste]."

Research & decisions

16. Compare options

> "Compare [A] vs [B] for my use case: [describe]. Include a table of trade-offs and a recommendation."

17. Steelman my view

> "I believe [position]. Give me the strongest counter-argument, then help me refine my view."

Life admin

18. Grocery list from a meal plan

> "Here's a week of meals: [paste]. Produce a consolidated grocery list grouped by store section."

19. Trip planner

> "Plan a 3-day trip to [city] focused on [interests]. Include one restaurant per meal, walking distances, and a rest afternoon."

20. Difficult conversation script

> "Help me prepare to tell [person] that [difficult message]. Suggest an opening line, 3 things to avoid, and how to respond if they [likely reaction]."

The meta-tip

Save prompts that work in a Notion page or ChatGPT's "Custom Instructions." Reusing 10 great prompts beats writing 100 mediocre ones.

5 min read