How to build in public and turn it into customers

By MentionLeads · July 14, 2026 · 6 min read

In short: To build in public and turn it into customers, publish useful evidence from the work—not a running diary—and distribute it in communities where your buyers already discuss the problem. Each post should help a specific person make a decision, show credible progress, and offer a natural next step. Over time, these public artifacts compound into recognition, conversations, referrals, and a searchable trail of proof.

How to build in public is less about narrating every founder moment and more about turning product development into distribution. The useful question is not “What happened today?” but “What did we learn that would help a potential customer?” That shift prevents build-in-public content from becoming vanity posting and connects it to an actual pipeline.

What does building in public actually mean?

Building in public means selectively exposing your decisions, experiments, customer lessons, and product progress so the market can learn alongside you. It does not require publishing revenue, code, customer names, or every failed idea. You choose the level of transparency that creates trust without giving away sensitive information.

The strongest version is a feedback loop: you encounter a real problem, create something that addresses it, publish the useful lesson, and hear from people with the same problem. Their questions improve the product and give you material for the next post. Distribution becomes part of building rather than an activity postponed until launch.

What should you share if you want customers rather than likes?

Share artifacts that are useful even if the reader never buys. A post about reaching a milestone may earn congratulations, but a post explaining what changed, why it changed, and who should care gives a buyer something to evaluate.

• Customer language: Recurring phrases, objections, and workarounds you hear in conversations, with identifying details removed.
• Decision notes: Why you rejected one feature, channel, pricing model, or workflow in favor of another.
• Before-and-after evidence: Screenshots, workflows, response examples, or product changes that make the improvement concrete.
• Small original datasets: Patterns from your own experiments, support requests, or product usage, without pretending they represent the entire market.
• Reusable assets: Checklists, templates, calculators, teardown posts, or short guides that solve part of the buyer’s problem immediately.

A practical filter is: could the intended buyer use this post to save time, avoid a mistake, or make a better decision? If not, it is probably founder entertainment rather than customer-facing distribution.

Where should you build in public?

Build where your buyers already exchange information. X works well for frequent observations, short progress notes, and relationships with peers. LinkedIn suits professional lessons and category education. Hacker News rewards technically substantive launches and engineering write-ups. Reddit is strongest when you participate inside problem-specific communities rather than treating the whole platform as one audience.

Do not copy the same post everywhere. Turn one insight into platform-native versions: a concise X thread, a detailed Reddit answer, a founder story on LinkedIn, and a durable article on your own site. The idea stays consistent, but the framing and level of context change.

Start with one primary platform and one owned destination, such as your website or newsletter. If Reddit is the primary channel, follow a community-first Reddit marketing strategy for startups instead of dropping product links into loosely related threads.

How does build-in-public content become a sales pipeline?

A public post rarely closes a customer by itself. Its job is to create recognition and make the next interaction easier. Someone sees a useful answer, notices another relevant post a week later, visits your profile, and eventually asks a specific question when the problem becomes urgent.

Design each post around a low-friction next step. Depending on the content, that might be trying a template, replying with a question, joining a waitlist, testing a free tool, or reading a deeper guide. Avoid forcing every post into “book a demo.” High-commitment calls to action are mismatched with readers who have only just discovered you.

The best conversion opportunities often appear in replies. A reader describes their situation, asks whether your approach works for their use case, or mentions an active workaround. Answer the question publicly and honestly. If private details are necessary, ask permission to continue by direct message rather than sending an unsolicited pitch. This is the same principle behind effective social selling: diagnose before proposing.

How does building in public compound over time?

Compounding comes from a growing library of proof. One post disappears quickly in a feed; dozens of specific posts establish what you understand, how you think, and whether you keep shipping. Prospects can inspect that history before speaking with you, reducing the amount of credibility you must manufacture during a sales call.

Public work also creates reusable source material. A customer question becomes a short answer, then a guide, then onboarding copy, then a sales objection response. A product experiment becomes a case study after enough evidence exists. You are not constantly inventing content themes because the work itself supplies them.

Search adds another layer. Durable explanations can continue attracting readers after the original social post stops circulating. Social distribution creates the initial conversation; owned content preserves the useful result.

What should you measure?

Measure signals that connect content to market learning and revenue, not only impressions. Likes can indicate resonance, but they do not tell you whether the right people noticed.

• Replies from people matching your ideal customer profile
• Profile visits and qualified website sessions
• Questions about integrations, pricing, timing, or specific use cases
• Waitlist signups, trials, demos, and assisted conversions
• Customer language or objections discovered through comments
• Posts that continue generating conversations or search visits

Ask new leads how they found you and what they saw before contacting you. Attribution will remain imperfect because people often consume several posts without clicking. Use the evidence to identify patterns, not to claim that every interaction has a precise source.

What mistakes stop building in public from working?

The first mistake is publishing an activity log: number of calls made, hours worked, or features shipped without explaining why any of it matters. The second is writing mainly for other founders when founders are not the buyers. Peer attention feels productive but can hide audience mismatch.

Another mistake is turning every discussion into a product mention. Communities notice extractive behavior quickly, especially on Reddit. Contribute a complete answer first and mention the product only when it directly solves the stated problem. The guide to finding customers on Reddit without getting banned explains why relevance and participation matter more than posting volume.

Finally, do not confuse radical transparency with credibility. Publishing unstable revenue numbers, private customer details, internal conflict, or unverified conclusions can create risk without helping a buyer. Share the lesson at the level needed to make it useful.

Frequently asked questions

Do I need an existing audience to build in public?

No. Start by answering existing questions in communities where your target customers already gather. Borrowed distribution is useful early, while consistently useful posts gradually create an audience you can reach directly.

How often should I post while building in public?

Choose a cadence you can sustain without manufacturing updates. Two useful posts based on real work are better than daily progress notes with no customer value. Capture insights during the week, then publish the ones that teach something specific.

Should I share failures publicly?

Share failures when you can explain the assumption, the evidence that changed your mind, and what someone else can learn. Avoid live-posting emotional reactions or exposing customers and employees. A processed lesson is usually more valuable than an unfiltered setback.

Start here

• List the three problems your best-fit customer is actively trying to solve, then write one useful artifact for each problem.
• Pick one community-driven platform and spend a week answering relevant questions before publishing a product-focused post.
• Track qualified replies, recurring objections, and buyer questions in a simple document so they can shape both the product and future content.

If finding high-intent conversations across Reddit, X, and Hacker News is the bottleneck, use MentionLeads to surface them, score buying intent, and draft value-first replies for your approval.