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Micro-SaaS

One narrow piece of software, billed monthly. The hardest start on this list and the slowest.

Money to start
$0-300
Time to a first sale
3-9 months
Length
13 lessons · 85 min

Written 31 August 2026 · checked 31 August 2026. Third-party fees and rules change; this course names what a cost is for rather than what a provider charges today.

What it costs before a single sale

Domain name
One bill a year
Hosting and database
Free tier first, then monthly
Payment processing
A cut of every charge
Transactional email
Free tier first, then monthly
Error tracking and logs
Free tier first, then monthly
Editor and coding assistant
Free, or monthly if you upgrade
Cash out of pocket before your first customer
$0-300
Your evenings, months one to six
150-400 hours
What you give up
Every faster option on Learn

We name cost categories instead of other companies' prices. A monthly fee typed onto this page today is wrong within a year, and a stale figure is just a lie with a date on it. Look up each one the day you sign up and write it in your own budget. Prices checked against nothing: we deliberately hold none. Page checked 2026-08-31.

Do not start this if

This list is the reason the free part exists. Every line is a real reason to walk away, and walking away after reading it costs you nothing.

  • You cannot write code and you do not want to learn. There is no version of this where somebody else builds it for free.
  • You need money inside two months. Every other course on Learn is faster than this one, and that is not close.
  • You have no niche you already know from the inside - no job, trade, sport, club, or family business whose daily annoyances you could list from memory.
  • You want to be handed an idea. Picking the problem is the actual skill here, and a stranger cannot pick one that fits what you happen to know.
  • You stop caring about a project around week six. A product abandoned in month three is worth nothing to anyone, including you.
  • You will not talk to strangers about their work. Building alone in a room is the failure mode, not the job.
  • You want the passive part now. The passive part is the last chapter, not the first, and most people never write it.

The course

Part 2

Set it up.

Operator

Choose the problem, prove it with money rather than compliments, build the smallest thing that finishes the job, wire up the boring accounts, and set a price you can defend.

  1. Pick the problem, then cut it in halfThree filters for a workable problem, how to shrink a category into something one person can ship, and the idea shapes to reject on sight.Operator
  2. Validate with money, not complimentsTwo kinds of evidence that survive contact with a real month, how to run an honest pre-sale, and how to write kill criteria before you can talk yourself out of them.Operator
  3. Build the smallest version that finishes the jobOne problem, one screen, one outcome. What to cut, why manual work behind the scenes is allowed, how to pick a stack in ten minutes, and the definition of done.Operator
  4. The boring accounts, in orderEverything you have to set up before you can take a payment, the order to do it in, the billing decision that determines who handles sales tax, and the two pages you cannot skip.Operator
  5. Pricing, and why cheap is the trapHow to set a first price you can defend, why a low price makes the work harder rather than easier, trial versus free tier, and the lever you can pull at any time.Operator

Part 3

Get the first customer.

Operator

Where the first ten actually come from, the messages that get replies, how to hand-build the first sale, and the number that decides whether any of it holds.

  1. Where the first ten come fromNot ads and not a launch post. The four places a narrow product finds its first customers, and the rule that keeps you from being thrown out of all of them.Operator
  2. The message that gets a replyWhat a first message has to do, four originals you can adapt, how to answer the three replies you will actually get, and how to run a demo that sells.Operator
  3. The first sale, and when it goes wrongCharge properly, set it up by hand, be present for week one, and know in advance what to do about bugs, refunds, feature demands and a failed card.Operator
  4. Churn is the real enemyWhy leaving customers end more small software products than a shortage of new ones, how to count it honestly at tiny numbers, and the three things that actually hold people.Operator

Parts 2 and 3 need an Operator account

Part one is yours already, with no account. The build half is on the Operator plan, $7/mo.

  • Part 2, Set it up — the accounts, the tooling, the pricing and the first thing you put in front of a buyer.
  • Part 3, Get the first customer — what to say, who to say it to, and what to do when it goes wrong.
  • Both parts in every course here, not only this one.
  • The rest of the Operator plan: the Growth-tier catalog, county-personalized playbooks, catalog search, and publishing your site at a live address.

Nothing on this page unlocks by waiting. Part one stays free for good, and it is genuinely enough to decide with.

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