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BuildSignal
Stop building things nobody wants. One brief a day.
BuildSignal hands you a fully-researched startup opportunity every day. Each is a 15-section brief — real Reddit pain, who's paying for bad alternatives, where incumbents are failing, TAM, build estimate, and an honest BUILD or SKIP. 90+ live. Every quote sourced and cited.
Hey hunters 👋
I'm launching BuildSignal because I've shipped six products. Five died. One — ProxiesAPI (https://proxiesapi.com) — has been profitable
since month three. No VC, no cofounder, still running.
The difference wasn't the idea. It was the research. Before I wrote a line of code for ProxiesAPI, I spent weeks in Reddit threads
mapping what developers actually complained about, who was paying for garbage alternatives, and where incumbents had stopped caring.
The other five? I built on vibes. You know how that ends.
BuildSignal is that exact process — automated, and done for you every day.
Each brief is 15 sections of real validation:
🔥 Real user pain, with sourced Reddit quotes
💸 Willingness-to-pay signals (who's already paying, and for what)
🎯 G2 deep-dives into incumbents' 1- and 2-star complaints — the gaps nobody's filling
📈 Market shifts per niche — regulation, funding surges, tech transitions
🧭 An honest BUILD or SKIP verdict. We don't hedge.
When a brief grabs you, the app keeps going: shortlist ideas, compare them side by side, generate a founder-sized PRD in one click, and
auto-generate a validation questionnaire you can send to real users — talk to 5 people before you build for 5,000.
It's not for everyone. If you want motivation or a wall of AI-generated "ideas," this isn't it. It's for people who've shipped before
and know what good validation looks like — who'd rather read for 10 minutes than research for 40 hours.
Founding offer: lifetime access for a one-time $99, before we move to a monthly subscription. 90+ briefs live now, a new one added
every day.
Would love your feedback — and happy to answer anything about the research methodology in the comments. 🙏
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About BuildSignal on Product Hunt
“Stop building things nobody wants. One brief a day.”
BuildSignal was submitted on Product Hunt and earned 4 upvotes and 1 comments, placing #141 on the daily leaderboard. BuildSignal hands you a fully-researched startup opportunity every day. Each is a 15-section brief — real Reddit pain, who's paying for bad alternatives, where incumbents are failing, TAM, build estimate, and an honest BUILD or SKIP. 90+ live. Every quote sourced and cited.
BuildSignal was featured in Developer Tools (513.6k followers), Artificial Intelligence (470.4k followers) and Tech (625k followers) on Product Hunt. Together, these topics include over 333.5k products, making this a competitive space to launch in.
Who hunted BuildSignal?
BuildSignal was hunted by Mohan Ganesan. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
Want to see how BuildSignal stacked up against nearby launches in real time? Check out the live launch dashboard for upvote speed charts, proximity comparisons, and more analytics.
Mohan Ganesan