Years ago I listed the house I was renting with roommates on Airbnb. Occupied house, ordinary rental, nothing special. I set the nightly price at a number I genuinely assumed nobody on earth would pay, mostly as an experiment to see what would happen, and went about my life.
A regional company booked it. For a full-day commercial shoot. Actors, crew, equipment, the works, in the house I was renting, at the number that was supposed to be a joke. The market, it turned out, had a use for my house that I could not have invented if you had given me a year to brainstorm, and it walked in the front door carrying cameras.
That day rearranged how I think about demand, and it is the direct answer to how you test market demand: do not survey, speculate, or research your way to the answer. Make a real offer, at a real price, where real buyers can see it, and let acceptance or silence be the data. A listing is a free experiment with unlimited upside surprise. The market knows things about your product, your skills, and apparently your living room that you do not, and the only way it can tell you is if something is listed.
Research asks; offers answer
The standard way to test demand is to ask people. Surveys, polls, would-you-buy-this conversations with friends. Here is the problem, known to everyone who has ever run one: questions measure politeness, offers measure wallets. A hypothetical yes costs the person nothing and buys you nothing. The gap between I would totally buy that and a card actually running is the grand canyon of entrepreneurship, and entire businesses have been built confidently on the wrong rim of it.
An offer collapses the ambiguity, because an offer forces the only vote that counts. Post the listing, name the price, open the calendar, and the market will answer with the one signal it cannot fake: transactions or silence. Both answers are gold. A sale is validated demand, the first dollar that proves the business exists. Silence is a free education about this offer, at this price, in this channel, delivered before you spent a year building inventory for it. Research delays that answer. Offers deliver it by Friday.
And if you want the strongest research instrument ever devised, it is the deposit: money taken before the thing exists. A preorder, a booked slot, a paid pilot. Ten people who paid beat ten thousand who agreed, and the discrepancy between what people say and what people fund is the single most expensive lesson in business, best learned at listing size instead of warehouse size.
Price as a probe
Now the part of my Airbnb story that does the most work: the absurd price. I did not list the house at a sensible market rate. I listed it at a number chosen to be declined, and the market took it without blinking, which taught me something no pricing spreadsheet ever had: my model of what things are worth was just a guess wearing confidence, and the customer’s alternative, not my cost, sets the ceiling. For a company needing exactly the right house for exactly one day, my joke number was cheap.
Notice the asymmetry, because it is the entire strategy: the downside of listing high is silence, which costs nothing and can be repriced tomorrow. The upside is discovering demand you did not know existed, at margins you did not know were available. That trade is so lopsided it should be illegal, and almost nobody takes it, because listing high feels presumptuous and silence feels like rejection. Feelings, pricing a portfolio. The market does not grade your modesty. It grades your availability.
The market’s imagination is bigger than yours
The deeper lesson from the camera crew: buyers repurpose things. I saw a place to live. A production company saw a set. Whatever you have, the market sees uses for it that you structurally cannot, because you know too much about what it is supposed to be for. The spare capacity, the skill you consider ordinary, the tool that sits idle, the byproduct you throw away: somewhere out there is a buyer with a use case you have never imagined, and the only interface between their imagination and your inventory is a listing.
This is why more listing surface area beats more brainstorming, every time. You do not need to know why demand exists to sell into it. You need to be findable when it comes looking. Every marketplace, platform, and posted offer is another net in the water, and nets catch things the fisherman never predicted. The businesses that seem lucky this way are mostly just listed in more places than their competitors, which is a strategy available to anyone by Tuesday.
The pattern runs at every scale. Parking spaces became a rental market. Idle trucks, cameras, and tools became rental markets. One of the largest technology businesses on earth began as a retailer renting out its own computing infrastructure, spare capacity turned product. Nobody surveyed their way to those discoveries. Somebody listed the idle thing, and the market did what markets do when given the chance: found a use the owner never imagined and paid for it.
What are you not listing?
So run the inventory, the same audit I failed to run for years before a film crew did it for me. What do you currently own, know, or do that has never once been offered to a market? The spare room. The equipment that works one day a week. The skill your friends get for free, forever, because listing it feels like bragging. The half-finished product waiting for perfect. The service your company does internally that other companies would pay for tomorrow.
Every unlisted asset is a question you have decided not to ask. And the compounding version for builders: most businesses are not unwanted, they are unseen, and a business can be unseen one offer at a time. List the thing this week, priced a notch above your comfort, in one place real buyers actually look. Worst case, silence, which is free tuition. Best case, the market shows up with a use for your life you could not have invented.
The guardrails
Two, and only two. First, list honestly: describe what the thing actually is, deliver exactly what was listed, because every listing is also a proof deposit and the market remembers both kinds. Second, check your commitments before you list what touches them: leases, partners, obligations, the people sharing the asset with you. The market’s surprises should land on your side of the ledger, not on people who never agreed to the experiment.
That is the entire rulebook. Everything else is upside.
The worst case is silence, and silence is free. The best case books your house for a commercial and hands you a new theory of demand on the way in.
List everything. Price it a notch too high. Let the market surprise you, because it has been waiting to, this whole time, one unposted offer away.
Tyk Sullivan
Serial entrepreneur in Tampa, Florida. Founder of Plutus Capital and NUMEN. More about Tyk →