18 rules for building a SaaS in 2026: focus on retention and distribution
Offer social login options like , since most visitors won't bother creating an account otherwise. Charge from day one instead of offering , because paying users are the only truly serious users. Launching is the beginning, not the end — after launch, roughly four-fifths of the effort should go into and only one-fifth into product work. Promote the product everywhere without shame, and treat people who cancel as a source of the most valuable feedback. Founders should keep using their own product, since that's how bugs users never bothered to report get found.
Keeping existing customers matters more than acquiring new ones, because the most valuable revenue comes from users who stick around. Cut the MVP in half, then cut it again, shipping only the core and nothing extra. Think bigger than $10k a month, since reaching $100k often takes roughly the same effort. If a product isn't converting despite real, sustained attempts, treat that as the market telling you something — listen to it. should come before adding more features, since a product nobody discovers goes unused regardless of how good it is.
People buy the outcome a product delivers, not the software itself, so sell the result. Measure success through actual behavior — revenue and retention — rather than compliments. New users should experience a first win within minutes of starting. Finally, narrower audiences tend to work better than trying to build for everyone.
Key points
- Offer social login (e.g. Google) to lower the signup barrier
- Charge from the start instead of offering , to filter for serious users
- Spend roughly 80% of post-launch effort on , 20% on the product
- Cut the MVP down repeatedly and ship only the core
- Prioritize retaining existing customers over acquiring new ones