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How to build a SaaS in 2026

The 90-day path from idea to first paying customer, with the AI-era shortcuts.

50% on kickoff, 50% on delivery · 30 days of free revisions · you own the code

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Why we wrote this. We ship work like this ourselves — not as a reseller or a marketplace. The timelines, deliverables, and price bands below come from real engagements we've run end-to-end at Smartly Built Ventures Limited (trading as Vibed Ventures).

Who this is for

  • First-time founders pricing their first SaaS build
  • Operators spinning a SaaS out of a service business
  • Engineers tired of greenfield-decision paralysis

What you get

  • The decision tree: solo-build, vibe-coded, agency, or hire
  • The AI-era stack that lets one person ship in a month
  • A realistic 90-day plan (with what to cut on day 60)
  • What to spend on (positioning, design), what to skip (premature scale)
  • How to know you've hit v1 — and when to stop adding features

Dig deeper

Frequently asked

  • Can one person really ship a SaaS in 90 days?

    Yes, if scope is honest. The trap is conflating 'SaaS' with 'every feature your competitors have'. v1 is one core loop someone pays for.

  • What stack should I use?

    React + TanStack Start + Postgres + Stripe is hard to beat in 2026. Boring, hireable, scalable to millions.

What happens next

  1. Step 1Tell us the problem60 seconds in the /solve box. You don't need a brief.
  2. Step 2Get a tailored reportROI, build plan and a rough price band — emailed to you.
  3. Step 3Book a 25-min callWe talk it through honestly. If it's not for us, we'll say so.
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