The short answer is that they are good at different jobs, and the business owners who get the most from either are the ones who stopped asking which is better. Facebook is a targeting tool. Direct mail is a coverage tool. If you know which of those you need this month, the choice makes itself.
What follows is the comparison we would want if we were spending our own money, including the rows Facebook wins. We sell one of these two things, so read the direct mail column as a claim you are entitled to check, and check it against the cases where it does not work.
What each one is actually for
Facebook and Instagram ads put a message in front of a chosen kind of person: people within ten miles who are homeowners, or parents, or who have shown interest in something like what you sell. You choose who; the platform finds them. The cost scales with how many you reach and how many others are bidding for the same attention.
Direct mail puts a message in every home in a chosen place. You choose where; the post office does the rest. Nobody is skipped because an algorithm decided they were unlikely to respond, and nobody sees it because they happened to open an app at the right moment. It reaches the households in an area whether or not they were looking.
That difference in the unit of purchase, a person versus a place, explains almost every row in the table below.
The comparison
| Factor | Direct mail (shared 9x12 card) | Facebook and Instagram ads |
|---|---|---|
| You choose | A place. Every home on the carrier routes in a zone, around 5,000 or 10,000 households per mailing. | A kind of person. Age, distance, interests, homeownership, and lookalikes of your existing customers. |
| Who actually sees it | Every household mailed. The card arrives and gets handled at least once, by someone. | A fraction of the people targeted, depending on budget, competition and whether they were on the app that day. |
| How long it lasts | Days to weeks. Cards get kept on counters and fridges, and a share of the response arrives well after the drop. | Seconds. An impression is gone when the feed moves. Reach is bought again every day the campaign runs. |
| Cost to start | $249 for a spot on a card to 5,000 homes, with design, print and postage in the price. | Any amount. A few dollars a day is a real campaign. The lower floor is Facebook's clear advantage. |
| Speed | Cards mail on a schedule. If you need calls this week, mail is the wrong tool. | Live within hours of setting it up, and can be paused the same day. Wins outright on speed. |
| Testing an offer | One offer per mailing. You learn slowly, at the pace of the schedule. | Run three offers to the same audience for a week and keep the winner. Wins outright on testing. |
| Measuring it | QR codes, a landing page, a unique offer, and asking every caller. Imperfect, but a decision can be made from it. | Clicks and landing-page visits are counted for you. Phone calls and walk-ins mostly are not, so the dashboard flatters it. |
| Competition in the same moment | One business per category on a shared card. No competitor on the same piece of mail. | Every competitor with a budget is in the same feed, and often the same scroll. |
| Trust | A physical card from a business nearby reads as local. Older and higher-income households in particular still treat mail as real. | Social ads carry the reputation of social ads. Good creative overcomes it; most creative is not good. |
| Where it falls down | Customers who are not geographically clustered. A business that could sell to anyone in the metro is paying to reach a lot of people who are not near it. | Businesses whose customers are not on the platform much, and anyone without the time to keep feeding it fresh creative. |
When Facebook is the better buy
- You need to move this week. A slow Tuesday, a cancelled booking, a product that has to clear. Mail cannot do that and does not pretend to.
- Your customers are a type, not a place. A wedding photographer, a specialist tutor, a hobby shop. The people who want you are scattered across the Lowcountry, and a place-based channel reaches mostly the wrong ones.
- You are still working out the offer. Run three versions for a week to the same audience. What wins there is what goes on the card later, and you found it for a few dollars a day.
- Your budget is genuinely under a hundred dollars.There is no shared card at that price. Facebook has no floor.
- You sell to people who already follow you. Staying visible to an existing audience is what social does best, and mail would be paying to reintroduce yourself.
When direct mail is the better buy
- Your customers live near you. Home services, restaurants, dentists, gyms, anything with a service radius. If you could draw your customer base on a map, mail is the channel that covers the map.
- You want every home, not a slice. Facebook reaches a share of the people you target, and which share is up to the platform. A mailing reaches all of them.
- One customer is worth a lot. A roof, an HVAC system, a year of lawn care. When a single job covers the whole spend, a card that gets kept for three weeks and produces one call has done its job.
- Nobody knows you exist yet. New businesses and new locations. Search only reaches people already looking; social mostly reaches people who already follow. Mail introduces you to the neighborhood without either.
- Your customers skew older, or offline. There are neighborhoods in Summerville, Mount Pleasant and the islands where the mailbox is checked daily and the feed is not.
Running both, without paying twice
The strongest version is not a choice. Mail the area first, because the card is the introduction. Then run a small Facebook campaign to the same ZIP codes for the two weeks after the drop, with the same offer and the same picture, so the ad looks like something the reader has already seen on their counter. The card does the reaching; the ad does the reminding.
Two rules keep it honest. Give each channel its own way in, so you can tell which one the customer came through. And do not let the ad run to a different offer than the card, because a household holding a card that says one thing and seeing an ad that says another has been given a reason to wait.
A note on the numbers people quote
You will find response rates for both channels quoted with great confidence. Treat them as somebody else’s results. A Facebook click-through rate says nothing about whether the click became a customer, and a direct mail response rate from a campaign to past customers says nothing about a cold neighborhood. The only figure worth planning around is your own: what a customer is worth to you, and how many the spend needs to produce. The calculator does that arithmetic for a mailing, and the same arithmetic works for an ad budget.
If the math says a mailing needs one customer to pay for itself, run it. If it says a mailing needs twelve, run Facebook first and find the offer that would make it need three.
Common questions
Neither, on its own. Facebook is better when you need to reach a specific kind of person, test an offer quickly, or spend small amounts on a rolling basis. Direct mail is better when your customers are defined by where they live, when you want every home in an area rather than a slice of it, and when the job is worth enough that a kept card paying off weeks later still counts. Most local businesses do best with mail for reach and Facebook for follow-up.
Per person reached, Facebook is usually cheaper. Per person who actually notices, it is closer than the headline numbers suggest, because a feed impression and a card on the counter are not the same unit. A spot on a shared 9x12 card reaches 5,000 homes from $249 with design, printing and postage included; a Facebook budget of the same size buys a great many impressions and a much smaller number of people who stopped scrolling.
Yes, and the combination is usually better than either alone. Mail the area, then run a small Facebook campaign to the same ZIP codes for the two weeks after the drop, with the same offer and the same picture. The card makes the ad familiar; the ad reminds people who kept the card. Neither channel is paying to introduce you twice.
Give each channel its own way in: a QR code and a landing page for the card, a different landing page or a unique offer code for the ad, and ask every caller how they heard about you. Judge both at six weeks, not two. Cards get kept, and Facebook needs time to find the people who respond.
Keep reading
New guides, and when the next card mails
Straight answers about advertising a local business, and a note when a mailing in your area opens. No pitch you did not ask for.
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