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The 3-Month Rule: My Technical Framework for Doing Things That Don’t Scale Variation 30

Embracing the 3-Month Rule: A Pragmatic Approach to Non-Scalable Solutions

In the world of startups and tech innovation, Paul Graham’s famous mantra, “Do things that don’t scale,” resonates deeply. However, many developers struggle with how to effectively incorporate this wisdom into their coding practices. After eight months of developing my AI podcast platform, I stumbled upon a practical framework: if a non-scalable hack isn’t proven useful within three months, it either gets developed into a robust solution or is discarded.

The Challenge of Scaling from the Outset

As software engineers, we often find ourselves conditioned to prioritize scalable solutions right from the start. We immerse ourselves in sophisticated architecture, employing design patterns, microservices, and distributed systems with the goal of accommodating millions of users. However, this mindset can hinder startups, as focusing on scalability can mean lingering on optimizations for potential users that don’t even exist yet. My 3-month rule challenges me to create straightforward, sometimes “imperfect” code that can be deployed quickly, facilitating learning about user needs in a practical context.

Current Hacks in My Infrastructure: Smart Choices for Learning

1. Consolidated Operations on a Single Virtual Machine

Everything runs from one affordable $40/month VM that hosts the database, web server, background jobs, and even Redis. Yes, there’s no redundancy and backups are done manually to my local machine, but this approach has been enlightening. Within just two months, I’ve gained insights into my actual resource consumption—my platform’s peak usage is a mere 4GB of RAM. The complex Kubernetes architecture I nearly implemented would have only managed dormant containers.

When the system crashes (which it has, twice so far), I glean valuable insights into what fails, and it’s rarely what I anticipate.

2. Hardcoded Configurations for Simplicity

Constants like:

plaintext
PRICE_TIER_1 = 9.99
PRICE_TIER_2 = 19.99
MAX_USERS = 100
AI_MODEL = "gpt-4"

are directly embedded in the code. There are no configuration files or environment variables, which means that any change entails redeployment. The advantage of this method? Rapid searches across the codebase for any configuration value. Each price alteration is meticulously tracked through git, and every configuration update, albeit by me, undergoes review.

Spending a week to construct a configuration service simply doesn’t compare to the couple

One Comment

  • Great insights on embracing quick, non-scalable solutions as a means of learning and validation. Your 3-month rule strikes a practical balance between experimentation and decisiveness—something that many startups and developers struggle with. I appreciate how your approach emphasizes real-world testing over theoretical perfection, especially with simplified infrastructure like running everything on a single VM and hardcoded configs for rapid iteration.

    This mindset can significantly reduce the time to learn what truly matters for your user base before investing in overly complex architectures. It’s a reminder that sometimes, the most scalable code is the one that’s proven effective at a smaller scale first. Your willingness to iterate quickly, fail fast, and adapt is a valuable lesson for many in the dev community. Thanks for sharing your pragmatic framework!

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