Find the 20% of a skill that matters, then practice it
Task · Learning
Time saved · 30 min per skill (estimate, not measured)
Steps
- Open ChatGPT in a new chat
- Paste the prompt and fill in the [brackets]
- Paste your text or details where shown
- Read the result, push back on anything off, and edit before you use it
Prompt / template
I want to get useful at [skill] quickly. I can practice [minutes] a day and I'm currently [level]. 1. List the few concepts and techniques that deliver most real-world results, and what I can safely ignore for now. 2. Give me 10 practice exercises on those, ordered easiest to hardest, saying what each one trains. 3. When I paste an attempt later, point out my biggest mistakes, why they matter, and exactly how to fix them.
💡 Inspired by @gudanglifehack
Source · https://x.com/gudanglifehack/status/2032094162565415115
Last checked · 2026-10-20