What to build first in a SaaS MVP

formulatux teamAuthor 19 Oct 2026Published 5 min readLength

An MVP is not a small version of everything. It is the smallest product that proves your idea.

Pick one user and one job

List everything your product could do, then choose one type of user and the single job they most need done. Build that journey end to end and defer the rest.

Build the boring essentials properly

Sign-up, secure login, billing and basic admin are not optional, even in a first release. Getting these right early avoids painful rework when real customers arrive.

Measure from day one

Add simple analytics before launch so you can see where users drop off. Early usage data is the most valuable output of an MVP, and it should decide what you build next.

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