McKinsey charges $500,000 for a market entry study. Bain will do it for $300,000 if you negotiate. Even a boutique firm will run you $50,000 for something that amounts to a 60-page PDF with charts pulled from the same public data you could find yourself.

Most founders know this is overkill. But when they sit down to do their own market research, they freeze. Where do you start? What counts as reliable data? How do you know if your market is big enough? How do you figure out what competitors charge without asking them?

The difference between a founder who does great market research and a founder who pays a consultant is not access to secret databases. It is knowing where to look and what questions to ask. The data is public. The frameworks are simple. You just need someone to walk you through the process once.

That is what this guide does. No theory, no academic frameworks, no filler. Just the exact process to research your market in 3 to 6 hours using tools that cost nothing.

What does useful market research actually look like for a startup?

Most market research is useless for startups. Not because the data is wrong, but because it answers questions nobody is asking. A 60-page industry report with macro trends and five-year forecasts is great if you are a Fortune 500 company planning a division. It is worthless if you are trying to figure out whether 500 people will pay $49 a month for your product.

Useful market research for a startup answers five questions:

  1. How big is this market? Not the $47 billion TAM number that impresses investors. The actual number of people who might buy your specific product at your specific price point.
  2. Who is already here? Direct competitors, indirect competitors, and the "do nothing" alternative your buyers are currently using.
  3. What do they charge? Pricing tells you what the market considers reasonable. It also reveals gaps nobody is filling.
  4. Where are customers unhappy? Every complaint about an existing product is a potential wedge for you.
  5. What is my wedge? The specific angle that makes you different enough to win customers away from established players.

That is it. Five questions. If you can answer all five with specifics, not generalities, you have better market research than 90% of funded startups. The goal is decisions, not decoration for a pitch deck.

TAM/SAM/SOM math does not need to take three weeks. Here is the 15-minute version: count the number of potential customers in your target segment, multiply by what they would pay annually, and that is your serviceable addressable market. Everything else is narrative.

If your market research does not change at least one decision you were about to make, it was a waste of time. Good research makes you kill features, change pricing, or pivot your positioning. If it just confirms what you already believed, you did it wrong.

How do you size a market without paying for reports?

Every startup pitch deck has a TAM slide with a giant number on it. Investors have seen this slide a thousand times and they do not believe it. What they want to see is that you understand the bottoms-up math of your specific opportunity.

Here is how to do real market sizing using only free data:

Bottom-up sizing (the only method that matters)

Forget the top-down approach where you take a Gartner number and say "if we capture 1% of the market." Nobody captures 1% of anything by accident, and that math tells you nothing about whether your business is viable.

Instead, start with the actual buyers:

Free data sources for sizing

SEC/EDGAR filings. If any competitor in your space is publicly traded, their 10-K filings contain revenue numbers, customer counts, and market size estimates. Go to SEC EDGAR, search the company name, and read the "Business" section of the 10-K. Companies are legally required to describe their addressable market in these filings, and they tend to be more honest than their marketing pages.

Crunchbase funding data. Funding rounds are a proxy for market belief. If 15 companies in your category have raised a combined $500M in the last three years, the market is real and growing. If only two have raised small seed rounds, the market might be too early or too small. The free tier shows you funding amounts, round dates, and investor names.

Google Trends. Search for your category keywords on Google Trends to see demand trajectory. A keyword with steady or growing search volume over three years signals a healthy market. Declining search volume is a warning sign. Compare your category against adjacent categories to see where attention is shifting.

Job postings as a market proxy. This is one of the most underrated signals in market research. If companies are hiring for a function related to your product, the market is real. Search LinkedIn Jobs or Indeed for roles that would use your product. If you are building a data observability tool and there are 5,000 open "Data Engineer" positions in the US, that tells you the buyer persona exists at scale and companies are investing in it.

Free industry data. Statista offers a surprising amount of free data if you look past the paywall prompts. IBISWorld publishes free industry summaries. Industry associations almost always publish annual reports with market data. The Bureau of Labor Statistics has employment data by industry. Census data breaks down businesses by NAICS code and employee count. None of this costs a dollar.

PostBuild pulls competitor data, funding signals, and market context automatically. Paste your URL and get a full market overview in 90 seconds. Free.

How do you map your competitive landscape for free?

Most founders think they know their competitors. They usually know two or three. That is dangerous because the competitors you do not know about are the ones who will blindside you. A real competitive map includes direct competitors, indirect competitors, and emerging players.

Start with review sites

G2 and Capterra organize software products into categories. Go to G2.com and search for your product category. The category page shows every product in that space, sorted by reviews and satisfaction scores. This is the fastest way to find competitors you have never heard of. Capterra does the same thing with a slightly different database. Check both.

Pay attention to the products with fewer reviews but high satisfaction scores. Those are early-stage competitors who might be growing fast and flying under the radar.

Use Google's competitive intelligence features

Search for "alternative to [competitor]" for every competitor you already know. This surfaces products that explicitly position themselves against established players. Also search "[competitor] vs" and let Google autocomplete show you the most common comparisons.

Another underused technique: the Google Ads Transparency Center. Search for your category keywords and see which companies are buying ads against those terms. If a company is paying to show up for "project management software for agencies," they consider that their market. You should know who they are.

Check Product Hunt for emerging competitors

Search Product Hunt for your category. Sort by most recent. The products launched in the last 6 months are the ones most likely to be competing for the same early adopters you are targeting. Their launch pages also tell you exactly how they position themselves and what features they lead with.

Build your competitor map

After 30-45 minutes of research, you should have a list of 6-10 products. Narrow it to the 5-8 that matter most. For each one, capture: their one-line positioning, their target customer, their pricing model, and their estimated size (employee count from LinkedIn, funding from Crunchbase). That is your competitive landscape.

PostBuild identifies your competitors automatically from your URL. Try the free competitor finder and map your landscape in 90 seconds.

Where do you find what customers actually think?

Competitor websites tell you how they want to be perceived. Customer reviews tell you the truth. The gap between those two things is where your opportunity lives.

G2 and Capterra: sort by lowest rating

Go to each competitor's profile on G2 and Capterra. Sort reviews by lowest rating first. Read the 1-star and 2-star reviews carefully. You are looking for patterns, not outliers. One person complaining about onboarding is an anecdote. Twelve people complaining about onboarding is a gap you can exploit.

Pay special attention to reviews from customers who match your ICP. If you are targeting small teams and the negative reviews are all from enterprise users, those complaints might not apply to your market. But if small team users are consistently saying "too complex" or "too expensive for what we need," that is actionable intelligence.

Reddit: the unfiltered truth

Search Reddit for your category name and each competitor's name. Find the subreddits where your target customers hang out. Read the complaint threads, the "what do you use for X?" threads, and the "thinking about switching from Y" threads.

Reddit users have zero incentive to be polite. They will tell you exactly what frustrates them about existing products, what features they wish existed, and what they would pay for a better alternative. This is primary market research that would cost a consulting firm weeks of interviews to collect.

Twitter/X: real-time sentiment

Search Twitter for "[competitor name] sucks" or "looking for alternative to [competitor]" or "just cancelled [competitor]". These are people in the act of churning. They are also telling you, publicly, exactly why.

Save these searches. People complaining about your competitors on Twitter today are your warmest outreach targets tomorrow.

App Store and Glassdoor: hidden signals

If competitors have mobile apps, read the App Store and Google Play reviews. People leave app store reviews in the moment of frustration. They are raw, specific, and extremely useful.

Glassdoor reviews of competitor companies are a different kind of intelligence entirely. Employee reviews reveal internal product bets ("we are pivoting to enterprise"), cultural problems that affect product quality ("engineering team is burned out, shipping is slow"), and strategic direction ("leadership is obsessed with AI features nobody asked for"). This is competitive intelligence most founders never think to look for.

Support forums and community groups

Many SaaS products have public community forums, Slack groups, or Discord servers. Join them. Read the feature request channels and the bug report channels. The features customers request most frequently are the features the competitor is not building. Those gaps are your product roadmap.

How do you figure out pricing without guessing?

Pricing is the decision most founders agonize over and the one with the most free data available. You do not need to guess. The market will tell you what to charge if you know where to look.

Competitor pricing pages

Visit every competitor's pricing page and document their tiers, prices, and what differentiates each tier. If a competitor has hidden their pricing behind "Contact Sales," they are targeting enterprise buyers with deal sizes above $10K per year.

If they recently removed public pricing, check the Wayback Machine for cached versions of their pricing page. Companies hide pricing when they move upmarket. The old pricing page tells you what they used to charge SMBs before they pivoted.

Ask founders directly

Post in founder communities like Indie Hackers, relevant Slack groups, or Reddit. Ask: "What do you currently pay for [category]? Is it worth it?" You will get surprisingly honest answers. People love talking about tools they pay for, especially if they think they are overpaying.

Job postings for budget signals

Search job descriptions for roles that would manage your type of product. Enterprise job postings sometimes mention tool budgets: "manage a $50K annual software budget for the marketing stack." Even without explicit numbers, the seniority of the role that manages the tool tells you the budget range. A tool managed by an intern has a very different price ceiling than a tool managed by a VP.

The 10x rule for value-based pricing

If your product saves time or money, use this framework: calculate the hourly cost of the person using your product, estimate how many hours per month your product saves them, and price at 10% of that value.

Example: Your product saves a marketing manager ($80K/year, roughly $40/hour) about 10 hours per month. That is $400/month in time savings. You can comfortably charge $39-49/month, because the buyer gets 8-10x the value of what they pay. This is not theoretical. This is how the best SaaS companies price.

If you are the cheapest option in your market and your product is not obviously worse, you are probably undercharging. Most early-stage founders underprice by 30-50% out of fear. The market research you just did should give you the confidence to charge what your product is worth.

What is the fastest way to turn research into a positioning statement?

You have done the research. You know the market size, the competitors, the customer complaints, and the pricing landscape. Now you need to turn all of that into a single sentence that tells the world exactly what you are and why you are different.

The positioning sentence framework

Fill in this template:

For [ICP] who [problem],
[product] is the [category] that [differentiator],
unlike [competitor] which [competitor weakness].

Every piece of this sentence should come directly from your research:

Here is a real example:

For early-stage B2B founders who need competitive intelligence
but cannot afford Klue or Crayon, PostBuild is the market
research tool that delivers competitor analysis, pricing data,
and outreach angles in 90 seconds, unlike traditional CI
platforms which require $20K/year contracts and weeks of setup.

The test: does a stranger get it?

Read your positioning sentence to someone who knows nothing about your product. If they say "oh, so it is like X but for Y" or "oh, so it does X but without Y," you nailed it. If they say "I do not really understand what that means," your positioning is too vague and you need to go back to your research for sharper language.

Good positioning is not clever. It is clear. It tells the right person that this product solves their specific problem in a way that existing options do not. Everything else, your homepage copy, your cold emails, your Product Hunt tagline, flows from that single sentence.

How PostBuild automates the boring parts

Everything in this guide works. The manual process is thorough and it produces real, actionable intelligence. It also takes 3 to 6 hours that you could spend building product, talking to customers, or doing outreach.

That is the tradeoff most founders face: spend a full day on research, or spend that day on execution. PostBuild exists so you do not have to choose.

Here is what PostBuild automates:

The full report takes about 90 seconds. It covers what would take an afternoon of manual research or what a consulting firm would charge five figures to deliver.

To be clear: PostBuild does not replace your judgment. Nobody can tell you what to build or how to position your product better than you can. What PostBuild replaces is the data-gathering grunt work. The hours of Googling, tab-switching, and spreadsheet-building that sit between you and the decisions you need to make.

The manual process in this guide is free and it works. If you have the time, do it. If you would rather spend those hours on execution, paste your URL into PostBuild and get the same intelligence in 90 seconds.

Stop spending hours on data gathering. Paste your URL into PostBuild and get market research, competitor analysis, and outreach angles in 90 seconds. Free.

The bottom line on DIY market research

You do not need McKinsey. You do not need a market research consultant. You do not need a $500/month competitive intelligence tool. You need 3 to 6 hours and the willingness to dig into public data that is available to everyone but used by almost nobody.

The process is straightforward:

  1. Define the five questions that matter and ignore everything else. Market size, competitors, pricing, customer pain, and your wedge.
  2. Size your market bottoms-up using SEC filings, Crunchbase, Google Trends, and job postings as demand proxies.
  3. Map your competitive landscape using G2, Capterra, Product Hunt, and Google Ads Transparency Center.
  4. Find real customer sentiment in reviews, Reddit threads, Twitter complaints, and Glassdoor posts.
  5. Research pricing from competitor pages, the Wayback Machine, founder communities, and value-based calculations.
  6. Compress everything into a positioning sentence that a stranger can understand in 10 seconds.

The founders who do this work make better decisions about what to build, how to price it, and who to sell it to. The founders who skip it end up guessing. Guessing is expensive when you have limited runway and zero margin for error.

Do the research. Or let PostBuild do the data gathering and spend your time on the part that actually requires a human: deciding what to do with what you learn.