Anybody selling advertising will tell you it works for everyone. It does not. Shared mail suits some trades extremely well, some moderately, and a few not at all, and the difference comes down to arithmetic you can do in about two minutes.
The one calculation
Take what a new customer is worth to you over the whole relationship, not just the first invoice. Then work out how many of those it takes to cover the slot.
At four hundred and ninety-nine dollars for a jumbo slot:
A roofer whose average job is eight thousand dollars needs a fraction of one job. A lawn service at a hundred and sixty a month, where a customer stays two years, needs one customer to cover it four times over. A pool company is in the same position. A restaurant with a thirty dollar average ticket and occasional repeat visits needs a great many covers.
That is the whole analysis. Everything else is refinement.
Trades where it works well
High-value one-off jobs. Roofing, air conditioning replacement, windows, remodelling, repiping, seawall and dock work. One conversion pays for the slot several times over, so the question is only whether anybody notices the card.
Recurring services. Lawn maintenance, pool care, pest control, cleaning, pond and irrigation service. The lifetime value of one customer dwarfs the cost, and these trades also benefit from the card being kept - somebody who does not need you in March may need you in June.
Emergency trades. Plumbing, electrical, water damage, A/C repair. The search happens under pressure and the first name to hand tends to win. A card in a kitchen drawer is a very old-fashioned advantage that still works.
Local retail and food, with caution. Being physically nearby is most of the pitch, and a card reaching about five thousand homes right around your door says that directly. The arithmetic is tighter because the ticket is smaller, so the offer has to be strong enough to drive a first visit and the business has to be set up to turn that into a second one.
Trades where it works less well
Small one-off purchases. A job worth thirty dollars from a customer who never returns means you need a lot of them. Not impossible, but be honest about the number before you book.
Anything where geography is irrelevant. Serving the whole state or selling online means paying for a geographic filter you do not need.
Highly specialized services with a tiny addressable share. If one household in two hundred could ever want what you sell, a five thousand home drop reaches twenty-five prospects. There are cheaper ways to find twenty-five people.
Businesses that cannot handle a burst. Mail produces calls in clusters. A busy week that would break your scheduling is worth solving first.
The question of frequency
For most trades that suit it, one drop is a test and three drops are a campaign.
Recognition compounds. The second and third time a household sees your name, in the same format, in the same neighborhood, it is doing more work than the first - and for trades where the need arrives unpredictably, being in front of somebody repeatedly is the entire mechanism.
One slot is all the budget covers? That is a fine way to test. Just do not conclude much from it either way.
What to have in place first
Findability. Somebody searching your trade in your town and not finding you is a problem to fix before you mail. A card sends people looking; being hard to find wastes the trip.
Somebody to answer. Calls from mail tend to arrive in bursts in the days after a drop. Nobody able to pick up that week and the drop looks like a failure, when what failed was the follow-up.
One clear offer. An offer you cannot state in a sentence with a number in it is one the card will not state for you either.
Those three are worth more than the choice of card size, the choice of zone, and most of what else gets discussed.
Honest expectations
A shared slot is not a lead machine. It is a way to put your name and one offer in front of every household in a defined neighborhood, once, for around a tenth of what doing it alone would cost.
For a trade with high job value or long customer life, that is one of the better uses of a few hundred dollars available locally. For a trade with a small ticket and no repeat business, it is a hard sell and we would rather say so than take the booking and have the conversation afterwards.
If you are not sure which you are, the calculation at the top of this piece settles it faster than any sales conversation will.
What being on the card with fifteen others actually does
A concern worth addressing directly: does sharing dilute you?
Less than people expect, and it cuts both ways. Yes, your ad is one of sixteen rather than the whole piece. But a card carrying sixteen useful local numbers is far more likely to be kept than a card advertising one business, and a kept card is working for months rather than seconds.
The dilution that does matter is competitive, not visual - which is why one business per category is the rule that makes the whole thing viable. The moment a card carries two roofers, both of them are worse off than if neither had been there.
Timing it for this market
If your market has a seasonal rhythm, it should shape when you mail rather than whether you do.
For most home services the run-up to season is worth more than the middle of summer, when a meaningful share of some neighborhoods is empty. For trades tied to weather - roofing, tree work, storm preparation - the useful window is before the thing people are preparing for, not during it.
Trades with an obvious peak should aim the drop at the six to eight weeks before it. That is when people are thinking about it and have not yet chosen anybody.
Budgeting it sensibly
Treat a slot the way you would treat any test: money you are prepared to spend to learn something, at a size that does not hurt if the answer is no.
For most of the trades this suits, one jumbo slot is a couple of days of revenue. That is the right scale for a test. If it would be painful to lose, either take the smaller format or wait until it would not be - a marketing decision made under pressure is usually a bad one.
When it works, the sensible next step is frequency in the same zone rather than reach into a new one. Depth beats width for local trades almost every time.
Questions worth asking before you book, of anyone
How many homes, and which carrier routes? A real answer is a list. A zip code is not targeting.
What happens if the card does not fill? What you need is a date and a consequence rather than reassurance.
Is my category genuinely exclusive, and how is that enforced? Ask outright whether a competitor could appear under a different label.
How will I know whether it worked? A mechanism tied to your ad, and numbers you get without chasing.
Can I see a card you have already mailed? A real operator has physical cards and route lists from previous drops.
Any operator who gets vague on those has told you something useful, and it costs nothing to ask.
The honest summary
If a new customer is worth four figures to you, or worth a few hundred a month for a couple of years, a shared slot is one of the better uses of a few hundred dollars available to a local business in this market - and the arithmetic is not close enough to need much thought.
If a customer is worth thirty dollars once, it is a hard sell, and we would rather tell you that now than take the booking and have the conversation after the drop.
If the answer is no
We would rather say so, and there are a few things worth doing instead.
Where the ticket is small and one-off, look at whether you can raise the value of a customer before you buy reach. A service plan, a follow-up visit, an annual reminder - anything that turns one transaction into a relationship changes the arithmetic more than any advertising channel will.
A tiny addressable share makes a geographic filter the wrong tool. Something intent-based - showing up when somebody searches the specific thing you do - will find your twenty-five people far more cheaply than mailing five thousand doors to reach them.
And if the honest problem is that nobody can answer the phone reliably this quarter, solve that first. Every channel gets better when the follow-up works, and none of them can compensate for it.
Coming back to it later
A no now is not a no forever. Businesses grow into this: ticket sizes rise, service plans get introduced, a second van makes a burst of calls manageable.
Arithmetic that does not work today is worth re-running in a year. It takes two minutes and the answer changes more often than people expect.
Three questions that settle it quickly
If you want the short version, these three cover most of the decision.
Is your service one that a homeowner in any given neighborhood might plausibly need? Roofing, pest control, lawn care, plumbing, HVAC, cleaning, tree work - yes. Something a household needs once a decade, or that only applies to a narrow slice - probably not.
Is a customer worth more than about three hundred dollars to you over the life of the relationship? This is the one people get wrong, because they think about a single job instead of the relationship. A lawn account at forty dollars a week is worth two thousand a year, not forty dollars.
Can you answer the phone? Not philosophically - actually, within the hour, for the two or three weeks after a drop lands. Mail creates a burst, and a burst you cannot answer is money spent to send callers to a competitor.
Three yeses and shared mail is very likely worth a test. A no on any of them is worth solving before you buy reach.