A homeowner in your area fills out a form for a new pool on a Tuesday night.
By the time you call Wednesday morning, they've already talked to four other builders.
You didn't lose the job on price. You lost it on the clock, because the marketplace that sold you that "lead" sold the exact same one to four competitors at the same second.
That's the part the per-lead price never shows you. And it's why the cheapest lead on the marketplace is often the most expensive pool you never build.
Let's do the math the marketplace doesn't put on the invoice.
How do pool lead marketplaces actually work?
They collect the homeowner's request, then resell it to several builders at once. You pay for a contact, not a customer, and so do the three or four contractors who got the identical form.
Here's the mechanic, plainly. The marketplace runs its own ads and forms to catch a homeowner shopping for a pool. When that homeowner hits submit, their details fire off to everyone in the area who's buying that category. Across home services, that's typically three to five contractors per shared lead. Everybody pays. Everybody calls. The homeowner fields five nearly identical calls in an hour and picks one, mostly on speed and gut.
So you're not buying a job. You're buying a lottery ticket in a race four other people also entered. And the house (the marketplace) cashes in no matter who crosses the line first.
Are shared pool leads really cheaper?
Per lead, they look cheaper. Per signed pool, they usually aren't, and it's not close.
This is the number that matters, and it comes from how the two lead types close, not what they cost. Across home services, shared marketplace leads close at roughly 10-20%. Exclusive leads (the ones only you get) close two to three times higher, because nobody else is on the phone with your prospect. Those are cross-industry home-services figures, not a pool-specific benchmark, so treat them as the shape of the gap, not a promise. But the shape is the whole story.
Watch what that does to the price. Say a shared lead costs a third of what an exclusive one does. Sounds like a win. But if you close the exclusive lead three times as often, you buy three shared leads to sign what one exclusive lead signs, and you're back to the same spend, with triple the phone time and a worse reputation from all those homeowners you called and didn't win.
The sticker price is a magician's hand. Watch the other one.
What's the real cost per signed install?
Cost per signed install is what you pay in leads divided by the pools you actually sign. It's the only number that survives contact with reality.
Run it on your own business, it takes five minutes and a bank statement. Take everything you spent on a lead source last quarter. Count the pools you signed from that source: really signed, not "quoted," not "thinking about it." Divide.
Here's the pattern with round numbers, cross-industry, to show the swing. Buy shared leads and you might pay a low price per contact, but competing with four builders at a 15% close means your real cost per signed job climbs into four figures fast. Exclusive leads can cost more each, yet at a 40-50% close the cost per signed job often lands far lower. Same category. Opposite outcome. The difference is who else got the call.
| | Shared marketplace lead | Exclusive lead you own | | --- | --- | --- | | Who else gets it | 3-5 competing builders | Only you | | Typical close rate | ~10-20% | 2-3x higher | | Price per lead | Lower | Higher | | Real cost per signed install | Often higher | Often lower | | Speed pressure | Race four callers | Call on your own time | | The day you stop paying | Leads vanish | You keep the account and data |
A pool is a five-figure job. That's exactly why the marketplace can charge what it does and still find buyers: the ticket is big enough to survive a bad close rate. But "survivable" isn't "smart." You're funding a broken close rate with the margin on the pools you do sign.
Why does speed decide who wins the shared lead?
Because the homeowner buys relief from decision fatigue, and the first real conversation ends the search. When five builders have the same lead, the winner is usually just the fastest human on the line.
This is the cruel twist of shared leads. Even when the contact is real and ready, you can do everything right and still lose, because builder number two called eight minutes sooner. You paid full price for a lead that was decided before you dialed. It's the same reason we tell pool installers that 50 quote requests and 5 closes isn't a lead problem: the leak is downstream of the lead, in the speed and the follow-up. On a shared lead, that leak is baked in from the start, because four rivals are racing you to the same phone.
Exclusive leads take the race away. Nobody else has the number. You call when you can call, and the homeowner is still yours an hour later.
What's the alternative to renting leads?
Generate your own exclusive leads on channels you own, so every inquiry comes to you and only you. It's more work than swiping a card on a marketplace, and it's worth it.
When you run your own paid ads (Meta, Google, or wherever your buyers actually are) to your own landing page, three things change. The lead is exclusive, so your close rate climbs. You keep the pixel, the audience, and the follow-up data, so next month's leads cost less than this month's. And the day you pause, you still own the account and everything it learned. A marketplace hands you a contact and keeps the asset. Your own ads hand you the asset.
We don't publish numbers we don't have, so here's a cross-industry order of magnitude. A med spa we work with in Nice (a different trade, smaller ticket) put about 620 euros of ad spend through a tight funnel and got 193 leads at 3.21 euros each, 88 paying clients, a 71x return, with the first lead landing 1h27 after launch. Your cost per pool won't look like that; a five-figure install is a longer, heavier decision. What carries over is the principle: when you own the source, you can measure it and drive the cost down. When you rent it, you re-negotiate a bad close rate forever.
If your marketplace spend is climbing and your signed installs aren't, book a free audit and we'll pull your real cost per signed pool: the number the marketplace invoice hides.
The 30-Second Audit
Three honest yes/no questions before you buy your next batch of leads:
- Do you know your cost per signed install from each lead source, not cost per lead, but per pool actually built?
- When a marketplace lead comes in, are you racing three or four other builders to the phone?
- If you stopped paying the marketplace tomorrow, would you keep anything (an audience, a pixel, a list) or does it all switch off?
If any answer was no, book a free audit: we'll show you exactly where the money leaks, even if you keep buying leads afterward.
Cheap leads that don't close are the most expensive pools you'll never build.