How do I research whether a market is big enough to matter but small enough that big players will ignore it?
The short answer
You're looking for the sweet spot that's a real business for you but a rounding error for a giant, and the test is simple: could this market ever produce revenue a large incumbent would bother chasing. If the whole addressable spend is a few crore a year, the big players stay away and you can own it; if it's clearly heading toward hundreds of crore, expect company soon. Size it bottom-up honestly, because the danger cuts both ways: too small starves you, too obviously large invites the fight you were trying to avoid.
Go deeper, your way
3 hand-picked resources, 3 link-checked. Pick how you want to dig in.
🎧 Podcast
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Why we picked it
Arvid Kahl bootstrapped and sold a SaaS solo, and now publishes the most practical ongoing guidance for one-person and small-team businesses, audience-building, leverage, and staying profitable and sane.
Why we picked it
Jason Cohen names the exact mechanism you are trying to size: a big company has a materiality threshold (it needs a new line to clear tens of millions before it is worth a team's attention), so a niche throwing off a million a year is invisible to it and wide open to you. He gives you the number to reason with, not just the vibe. Read it as a lens for judging whether your target sits under that threshold on purpose, not by accident.
Why we picked it
Thiel's core move is to start by owning a small, specific market completely before expanding, which is the same instinct behind picking a beachhead the big players will skip. His PayPal and Facebook examples (eBay power sellers, then Harvard students) show how a deliberately tiny starting market becomes a base, not a ceiling. Take the monopoly framing with a grain of salt and use the beachhead logic, which is the part that directly helps you size where to begin.
