9 tips to get better at system design:

Understand scalability: vertical vs horizontal

Learn how load balancers distribute traffic

Know how caching improves performance

Study database types: SQL vs NoSQL

Design with failure in mind (redundancy & backups)

Understand APIs and how services communicate

Focus on real-world use cases (URL shortener, chat app)

Think about latency, throughput, and consistency

Always start with a high-level diagram before diving deep