How to build a SaaS MVP in 2026

Building a SaaS MVP focuses on learning if a product is worth developing rather than creating a final version. Costs are primarily driven by the number of distinct flows, including signup and billing, which require design, front end, back end, and testing. A true MVP is the smallest iteration that proves customers will pay for a solution. This approach allows teams to ship in weeks and avoid wasting months polishing unnecessary features before validating core assumptions.