The belief that a rock‑bottom tier automatically expands the addressable market is a seductive myth, but it creates a hidden ceiling for future upsell. When a product’s cheapest plan delivers a surprisingly complete experience, prospects see little reason to migrate upward, and the sales engine stalls at the lower margin. This dynamic stems from the “satisfaction lock,” where early users internalize the value they receive and calibrate their expectations to that baseline, making any added feature feel like an unnecessary expense.

A SaaS startup launched a free‑forever plan that included unlimited project boards and basic analytics. The team celebrated the surge in sign‑ups, but within months the pipeline of paid conversions evaporated; even the most engaged users never breached the free tier because it already solved their core problem. The sales team, frustrated, began discounting premium features, further eroding the perceived gap between tiers.

The result is a self‑reinforcing loop: the low‑price tier fuels user acquisition, yet the very completeness of that tier depresses the incentive to pay, flattening revenue growth and forcing the company to chase new verticals or overhaul its pricing architecture.