What a Thriving Facebook Marketplace Business Actually Looks Like (Real Numbers)

Quick Summary

A regular person in a major Canadian metro is quietly running a real business on Facebook Marketplace — selling building materials like steel sheets, metal roofing, and industrial shelving. Using real, anonymized data from a typical two-week stretch, here's what the numbers reveal: Marketplace is a legitimate local-business channel, the buyers are mostly genuine, they message around the clock — and keeping up by hand is nearly impossible.

(Everything below is real, anonymized data from a seller who uses GetReplyNow. No names, no private messages — just the patterns, shared to show what Facebook Marketplace can be.)

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Picture a regular guy in a major Canadian metro.

He's not a tech founder. He doesn't have a website, a storefront, or a marketing team. What he has is Facebook Marketplace and a list of heavy, unglamorous things people actually need: steel sheets, metal roofing, and industrial shelving — the kind of stuff contractors, builders, warehouse owners, and weekend DIYers buy.

And he's quietly running a real business out of it.

Because our AI helps sellers like him answer their buyers, we get a rare window into what running a Marketplace business actually looks like day to day. The patterns are genuinely fascinating — so with the numbers anonymized, here's what a typical two weeks looks like, and what it can teach anyone thinking about selling locally.

Hundreds of buyer messages in two weeks — handled by one person

In a normal two-week stretch, a business like this fields more than 200 separate conversations and close to 450 buyer messages, spread across roughly two dozen active listings. That's a small support team's worth of demand, run by one person selling building materials.

This is the part people miss about Marketplace: for the right product in the right city, it's not a yard sale — it's a firehose of demand. The question isn't whether people will message you. It's whether you can keep up.

Most messages aren't time-wasters — only about 4% are

Everyone who's sold on Marketplace dreads the "is this still available?" tire-kickers. But the data says that fear is mostly misplaced. Across these conversations:

• ~44% were genuine buyers — real intent, real questions
• ~51% were casual browsers — curious, comparing, may come back
• Only ~4% were true time-wasters

Nearly a quarter were hot leads: people clearly ready to buy. The lesson isn't "ignore the noise." It's the opposite — the noise is small, so the real cost is missing the genuine 44% because you replied too slowly or never saw the message.

Nearly half of buyers message after hours

Here's the one that surprises people most. Almost half of these buyers messaged outside 9-to-6 — evenings, late nights, weekends. There's a clear spike around 10pm.

Think about who's messaging at 10pm about steel roofing: a contractor planning tomorrow's job, a homeowner who finally sat down after dinner to price a project. They're serious. And if you're a normal human being, you're asleep — and by morning they may have already messaged someone else.

The single busiest window is Monday afternoon, but the honest takeaway from the whole map is simpler: inquiries land around the clock. There is no "off."

The buyers who get answered fast are the ones who buy

The research on this is blunt: speed wins. A landmark Harvard Business Review study found that companies responding to a new lead within five minutes were 100 times more likely to connect with it — and 21 times more likely to qualify it — than those that waited just 30 minutes. Reply the next morning and you've usually lost.

In this business, buyers get an answer in seconds, day or night — every single one, within a minute. No person sells building materials all day and answers a 10:47pm message in three seconds. But the buyer on the other end doesn't know or care how it happened. They just know they got an instant answer — and the seller who made them wait until morning didn't.

Demand isn't even — a few listings carry the business

Across two dozen listings, interest doesn't spread evenly. A single top listing can pull in 90+ inquiries in two weeks on its own. That's another quiet truth of Marketplace: a handful of products carry the business, and you usually can't predict which until the messages tell you. The sellers who win are the ones paying attention to where demand actually concentrates.

So what does all this actually mean?

Two things, and we mean both honestly.

First: Facebook Marketplace genuinely works. A regular person in a major Canadian metro, selling building materials with no website and no team, is fielding hundreds of real buyers a month. If you've ever wondered whether there's a real local business hiding in there — there is. This is proof.

Second: doing it well, by hand, is nearly impossible. Hundreds of messages, half of them after hours, all needing a near-instant reply — no human keeps that up without burning out or quietly dropping the buyers who'd have paid. That's exactly the gap we built GetReplyNow to fill: it answers every buyer, instantly, around the clock, in your voice — so you capture the demand that's already there instead of watching it leak to the next seller.

The demand is real. The platform works. The only question left is whether you can catch all of it — and that part, finally, you can hand off.

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Source: Harvard Business Review (2011), "The Short Life of Online Sales Leads" — Oldroyd, McElheran & Elkington.