How do solo founders find their first 100 customers in 2026?

There is a process for this, and a start-a-business app like Draper runs the parts either side of it — finding the rooms at the start, running the paid traffic at the end. List the rooms your customers already gather in, work out how much standing you have in each, and work through them in that order — starting with any room you are already a member of. Seven steps, and then paid traffic to go faster once you know what to say.

This is the step after demand: it assumes you have already established that someone will pay for this and that the group is real. If you have not, do those first — this process will not rescue an idea nobody wants.

The steps are drawn from six solo founders with public launch records: Pieter Levels, Arvid Kahl, Josh Mohrer, Tony Dinh, Marc Lou and Danny Postma. None of them had to buy their first hundred customers, because each had a room they could use instead. Their numbers are at the end, and there is a section on paid traffic after the steps — it does a job the rooms cannot.

Step 1. List the rooms your customers are already in

If you checked whether your market was real, you already have this list. They are the same rooms. If you skipped that, do it now: search the complaint in the customer's words rather than the category name. "Can't sleep after night shifts" finds customers. "Sleep tracking app" finds competitors.

Follow the threads to wherever they actually live, and expect the occupational room over the topical one. Shift-work sleep gets discussed in nursing communities, not sleep communities, because people congregate by profession and bring their problems with them.

Write down five to ten specific, named places. A subreddit, a Facebook group, a Discord, a trade association, a conference, the comments on one particular newsletter. "LinkedIn" is not a room. "The letting agents' WhatsApp group my sister is in" is.

Do not put founder communities on this list

r/SideProject, r/SaaS, Indie Hackers, the Friday "what are you building" threads. They are the easiest rooms in the world to walk into, because everyone there is doing what you are doing.

That is exactly the problem. Everyone there is selling.

Marc Lou's own results make the point better than an argument does. One of his products drew about 47,000 visitors in 24 hours from a single post in r/InternetIsBeautiful — a general-interest community with no connection to startups. A post in r/Entrepreneur produced around 2,000 visitors in twelve hours. Lou sells to founders, so the founder room was closer to his real market than it will ever be to yours, and it still lost by more than twenty to one.

Step 2. Rate your standing in each room

Standing is a room's prior reason to listen to you. Three levels, and the honest answer decides both your order of attack and your timeline.

• You are a member. You read it or post in it already, for your own reasons.
• You are known from elsewhere. A career, a previous product, another platform these people also see.
• You are a stranger. You found it by searching.

This is the step founders skip, because it feels like admin next to the exciting business of posting. It is the step that determines how long everything else takes.

Danielle Simpson had no following whatsoever. She was an online English teacher who spent hours after every lesson writing personalised student feedback, and she belonged to the Facebook groups where other teachers complained about exactly that. Arvid Kahl built her a tool to automate it and they launched it to her peers. FeedbackPanda reached about $20,000 MRR within nine months and roughly $55,000 MRR across about 5,000 customers within two years, almost entirely by teachers telling other teachers, and sold to SureSwift Capital in June 2019 for a seven-figure sum. No Product Hunt launch, no Hacker News post, no Twitter audience.

Tony Dinh had no standing anywhere relevant, so he built a room. He started on X in November 2020 with roughly 100 followers, posting code and replying to other developers, and by Xnapper's launch in August 2022 that had compounded into about 45,000 followers plus a 3,000-subscriber newsletter. A before-and-after demo tweet pulled 1,700 likes, and that tweet was the launch.

Both routes worked. The difference is not the size of the number — it is that Danielle was already one of them and Tony spent eighteen months stopping being a stranger.

That is the real price of the slow route, and it is why an afternoon spent looking for a room you can already walk into is the highest-return work in this whole process.

Step 3. Start where you are already a member

Take the top of that list and post there this week. You do not have to earn the right first — you have it.

Posting as a member means posting the way you already post there. Pieter Levels was a digital nomad trying to work out where to live, so in June 2014 he tweeted an editable Google spreadsheet of cities at other nomads and asked them to fill it in. About a hundred people did so within a day. That was not a marketing tactic; it was somebody sharing their own homework with people who had the same problem, and it answered the demand question before he had written a line of code.

One test for whether you are actually a member: have you ever posted there about something other than yourself? If not, you are not one yet, whatever the join date says — treat that room as step 4.

Step 4. Earn the cold rooms in the background

Pick the cold room you would genuinely read for its own sake, and spend a fortnight answering other people's questions in it before you post anything of your own. Two weeks is a rounding error next to eighteen months.

Marc Lou's documented approach is the practical version, and it is really just a description of how a member behaves.

The list looks like etiquette and is actually the standing test in disguise. Every item is something a member does naturally and a marketer has to remember.

Step 5. Reach the first twenty by hand

A hundred customers is small enough to reach one at a time, and this is the step almost everyone skips, because it does not feel like marketing.

Go back through the threads you read in step 1 and write to the individual people who described the problem. Reference their actual post. Do not pitch — ask whether they still have the problem and what they do about it now. Some of those conversations turn into customers and all of them turn into copy, because this is the only place you will hear the objection nobody puts in writing publicly.

It is also what makes the next hundred cheaper. FeedbackPanda's growth was teachers recommending it to other teachers, and word of mouth at that scale starts with a small number of people who felt personally dealt with rather than processed.

Do not let research stand in for this, including ours. A start-a-business app like Draper can tell you which rooms to be in, build the page and run the ads, but none of that is revenue — who actually pays settles it.

Step 6. Use a launch to amplify, not to originate

Product Hunt, Hacker News, a Show HN, a newsletter feature. All worth doing. None of them is where your first hundred comes from.

Product Hunt is the clearest case. Between 2020 and 2023 most daily submissions were featured on the homepage. It moved to manual curation in January 2024, the featured share fell to roughly a quarter by that spring, and to about one in ten by late 2024. Even setting the odds aside, every founder here who launched there arrived carrying a signal from somewhere else — Dinh's viral demo tweet, Danny Postma's waitlist (over 80 signups on the first day, announced to people who had already paid $19 for his headline-writing ebook), Josh Mohrer's LinkedIn following.

Levels' front page was not even intentional. He uploaded the wrong config file to his server, which published Nomad List early, and it hit number one on both Product Hunt and Hacker News.

The part of that accident worth copying is what he did with it: he captured about 2,500 email addresses over the following two weeks, and those addresses became the first paying members. A spike is gone by tomorrow. A list is not.

Step 7. Count where the first twenty came from, then narrow

Ask each one, or tag the links so you do not have to. The channel that actually produced them is almost never the one you predicted, and at this stage it is the only acquisition data you own.

Then put your effort into that one and drop the rest. Trying to work six rooms as a solo founder is how you end up with a shallow presence in all of them and standing in none.

Expect the answer to expire, too. Josh Mohrer launched Wave off build-in-public posts on LinkedIn — his "$100K ARR" update drew 44 comments — but the company now leans heavily on paid acquisition, and reached $4M ARR in eight months and about $7M by early 2026, still with no full-time team. The channel that gets you a hundred customers is rarely the one that gets you ten thousand. That is fine. You only need this one to work once.

Where paid traffic fits

Everything above is free and slow. Ads are the opposite, and that is an advantage rather than a consolation prize. Three things paid traffic does that a community cannot.

It gives you a clean read on demand, on your schedule. A room tells you what people say. An ad tells you what they click, at a price, this week. You control the volume and the timing instead of waiting for a thread to land, and a few hundred dollars is enough to see whether a promise pulls at all.

It tests your message, not just your idea. This is the underrated part. Draper ran several framings of the same product on X in a single week: framing it around idea validation brought signups in at around $2 each, while framing the identical product around competitor analysis or social media research cost north of $10. Same product, same price, same signup flow. A fivefold spread produced entirely by wording — and no community will ever tell you that, because nobody in a thread is comparing your three headlines. The full version of that test is in the demand piece.

It reaches people who have no room. Not every market gathers. Plenty of trades, professions and ordinary consumers have nowhere you can read, and for them steps 1 to 4 will simply not produce anything. Paid traffic is not the fallback there. It is the primary channel.

The sequence is what matters. Ads convert best once you know which promise lands and what a customer is worth, and the by-hand work in step 5 is the cheapest way to learn both — you are buying the customer's own language and then paying to put it in front of more of them. Run the two together rather than choosing between them. Be clear-eyed about resolution, though: a week and a few hundred dollars will show you a fivefold gap and will not separate a message converting at 15% from one converting at 18%.

The six founders below all had a room, which is why none of them needed to buy their first hundred. If you have one, use it first, because it is free. If you do not — or you want an answer sooner than a fortnight of participating will give you — this is what the money is for.

Six founders who did exactly this

The receipts. Launches span 2014 to 2024; figures are the founders' own, from their launch posts and interviews.

Notice what the three who built a room have in common. Every one of them built it out of their own future customers. Dinh's followers were developers and he sold a developer tool. Lou's were indie hackers and he sold them a boilerplate. Postma's had already handed him $19 for advice on writing headlines and he sold them a tool that writes headlines. None built a general following and then went looking for something to sell it.

So if you end up on the slow route, the audience has to be made of the people who will eventually pay you. Otherwise you spend two years becoming well known to the wrong room.

When this doesn't apply

Your first hundred might be your first ten. If you sell to businesses at four or five figures a year, a hundred customers is a much later problem and the shape changes entirely — the work is outbound, one conversation at a time, and a warm introduction beats community standing.

Some markets have no room. When nobody in the market gathers anywhere you can read, go straight to paid traffic, and to the offline equivalents of a room: a trade association, an industry event, or a supplier already selling to them.

You might already have distribution. An existing product, a list, a newsletter, a client base. Marc Lou's later products sell largely to people who bought his earlier ones. If you have this, use it and skip to step 5.

Where this fits

The least glamorous point is the most useful one: the rooms you found while checking whether your target market was real are the rooms you sell in. One piece of research, two jobs. Skip it and you will do it here instead, under more pressure and with less patience.

Lenny Rachitsky's study of how the biggest consumer apps found their first 1,000 users reached the same conclusion from a completely different sample: nearly all of them used just one of seven strategies, and the two most common were going where the target users already gathered, online or offline. Six solo founders and a set of venture-backed consumer apps have very little else in common.

None of which makes the free route the better one. It makes it the one you can start today. Work the rooms for the customer's own language, then pay to put that language in front of everyone else who has the problem — that combination is faster than either half.

Want to find every room your customers are already in, and test a promise against them? Try Draper free →