How to start a SaaS business with no money

Executive overview

Most founders focus on building software, but the real cost is finding customers — and that's mostly your time. You can start without capital if you're willing to work nights and weekends and be ruthlessly selective about what actually needs to exist before someone pays you.

The repeatable path is the stair step approach: start small, generate revenue, then invest in SaaS.

What actually costs money in a SaaS business

• Writing code is the expensive part only if you're not a developer — everything else is mostly time
• You don't have a business until someone pays you; everything before that is a hobby
• No entity formation needed until you have revenue — a sole proprietorship is fine to start
• A Stripe account is free; most early infrastructure costs are minimal
• Non-developers must bring real value to attract a technical co-founder — an idea alone is not enough

Options if you're not a developer

• Find a technical co-founder, but earn the partnership: talk to customers, book pre-orders, build a landing page, start a marketing flywheel
• Use no-code tools (Bubble, Airtable, Zapier, Notion) to build an MVP or productized service without writing code
• Deliver value manually first — if you're selling weekly SEO keywords or leads, a virtual assistant or your own time can substitute for software initially
• Avoid pre-selling a product and hiring cheap offshore labor to build it: the risk of failure and poor output is high

Marketing without a budget

• Pay-per-click advertising is off the table without money — focus on free channels that cost time instead
• SEO and content marketing compound over time with no direct spend
• Direct outreach and partnerships require effort, not capital
• In-person industry events (gyms, lawyers, hairdressers) are low-cost for niche verticals and can close sales directly

The stair step approach

• Start with something simpler than SaaS: an ebook, a course, consulting, or a productized service
• Build that to a revenue stream, repeat until you can quit your day job
• Use that income and time to self-fund your SaaS — you angel invest in yourself
• Before SaaS, consider a plugin or app-store product (WordPress plugin, Shopify app, Heroku add-on): simpler to deploy, market, and manage
• These smaller products build the skills you need — marketing, sales, support — before the stakes are higher
• The ceiling is lower (rarely seven figures), but the experience and profit fund the next step up