SaaS & Systems
Building SaaS Products From Scratch: Lessons From 50+ Projects
After building over 50 SaaS products, we've seen every pattern — the ones that ship fast and scale, and the ones that rewrite themselves 18 months in. Here's what separates them.
Start With the Core Loop
Every successful SaaS has one core action users repeat. Everything else is supporting infrastructure. Ship the core loop before anything else.
The Architecture Decisions That Matter Most
Multi-tenancy model, data isolation strategy, and auth architecture are decisions you live with for years. Get these wrong early and every subsequent feature costs double.
- Row-level security over schema-per-tenant for most early-stage products
- Event-sourced writes for anything that needs an audit trail
- Feature flags from day one — they're a deployment strategy, not just a dev tool
Pricing Architecture
Your pricing model is a product decision. Usage-based pricing changes retention curves, support volume, and expansion revenue in ways seat-based pricing doesn't.
What Kills Most SaaS Products
Premature scaling. Teams hire sales before retention is proven, invest in marketing before the onboarding flow converts, and build features before the core is stable.