The Hidden Cost of Over-Engineering

I spent four months building a content management system I never shipped.

It had a plugin architecture. It had multi-tenancy support. It had an abstract database layer so you could theoretically swap out SQLite for PostgreSQL without touching the business logic. It had configuration files that could configure the configuration system. I was very proud of it.

The problem was that I was solving problems I didn't have. I didn't have multiple tenants — I had one site. I didn't need to swap database engines — I needed to store a few hundred rows. The abstraction layer that was supposed to make things simpler had added so many indirections that I couldn't hold the whole system in my head anymore.

I threw it away and rewrote it in a weekend. No plugins. No multi-tenancy. No abstract database layer. Just a few structs, a few handlers, a SQLite file. It does everything the original did, and I actually finished it.

The temptation to over-engineer comes from a good place — you want to write code that's flexible, reusable, and maintainable. But flexibility costs complexity, and complexity costs time. A system you can understand completely is almost always better than a system you can extend theoretically.

My rule now: solve the problem in front of you. When the problem changes, change the code. Don't write code for problems you're imagining.