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The 3-Month Rule: My Technical Framework for Doing Things That Don’t Scale Variation 29

The 3-Month Rule: A Practical Approach to Building What Matters in Tech

In the startup world, the mantra “Do things that don’t scale,” famously championed by Paul Graham, is often discussed but seldom translated into actionable strategies, particularly in software development. After eight months of building my AI podcast platform, I discovered a straightforward yet effective approach: the 3-Month Rule. This principle dictates that every temporary and unscalable solution has a three-month lifespan; at the end of this period, I assess its value and determine whether it evolves into a sustainable solution or is discarded.

Understanding the Challenge of Scalability

As engineers, our instinct is to create robust, scalable architectures from the very beginning, incorporating microservices, distributed systems, and sophisticated design patterns meant to accommodate millions of users. However, this kind of forward-thinking can turn into costly delays for fledgling startups. Often, we find ourselves preemptively solving problems for users who haven’t even come onboard yet. The 3-Month Rule compels me to streamline my code, allowing for rapid deployment and genuine feedback on what users truly need.

My Pragmatic Infrastructure Strategies

1. Consolidating to One Virtual Machine

Currently, all of my platform’s components—including the database, web server, and background processes—are hosted on a single, budget-friendly $40/month virtual machine. While this setup lacks redundancy and relies on manual backups, it has taught me more about my resource requirements in two months than any extensive capacity planning could have. My AI platform consistently uses only about 4GB of RAM, revealing that the complex Kubernetes configuration I had envisioned would have been wasted effort on empty component management.

2. Embracing Hardcoded Configurations

By utilizing hardcoded constants for configurations, I simplify the entire process. Changes in pricing tiers or user limits entail a quick redeployment, avoiding the complications of configuration services that would require significant engineering hours. The result? Streamlined updates tracked efficiently in version control, enabling me to optimize time while limiting tedious tasks.

3. Utilizing SQLite for Lightweight Performance

While it may seem unconventional, I’ve opted for SQLite as my database solution, and it has proven surprisingly effective in handling peak loads. This choice allowed me to uncover that my application primarily requires reads over writes, perfectly aligning with SQLite’s strengths. Had I begun with a more complex solution like Postgres, I would have wasted time addressing issues that were not yet relevant.

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One Comment

  • Great insights into applying the 3-Month Rule as a practical framework for balancing speed and scalability in early-stage development. I particularly appreciate your emphasis on rapid iteration and learning—starting with simple, cost-effective solutions like consolidating to a single VM and using SQLite allows for meaningful when-it-matters feedback without overengineering.

    This approach underscores a key principle: focus on delivering value and understanding user needs first, then evolve your architecture based on real usage patterns. Additionally, embracing hardcoded configurations and lightweight databases at the outset can significantly reduce unnecessary complexity, freeing you to pivot more effectively.

    As your platform grows, you can incrementally introduce more scalable solutions, but your strategy ensures you’re not stuck in a spiral of premature optimization. It’s a compelling reminder for developers and entrepreneurs alike to prioritize learning over perfection in the initial phases. Looking forward to seeing how this framework evolves with your project!

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