New customer vs returning customer campaigns
Look at two numbers from the last six months: how many first time customers you win each month, and what share of orders come from people who bought before. If new customers are flat, the budget belongs on acquisition. If plenty of new customers arrive and almost none come back, more ad spend is the wrong answer, because the cheapest way to reach an existing customer is email, not an auction.
That is the part most stores get backwards. Paying to advertise to your own customers can look excellent in a dashboard, since those people were likely to return anyway, and the campaign takes credit for orders that owed nothing to it. Retargeting has a real job, but it is a smaller one than the reported figures suggest.
So the split is not fifty fifty. Acquisition carries most of the paid budget, retention runs mostly on owned channels, and paid retargeting fills a narrow gap between them.
Choose
New customer campaigns
when
- First time customer counts have been flat or falling for several months
- Your repeat rate is already healthy, so more customers compound
- You are entering a new region, category or season
- The email list has stopped growing and needs new people entering it
- Existing customers cannot buy more often than they already do
Choose
Returning customer campaigns
when
- You have a genuinely new range that past buyers would want to know about
- A consumable is due for reorder and email alone is not reaching part of the list
- High value customers have lapsed and a message with a real reason can bring them back
- A limited launch needs your best customers reached before it opens
- You have a large list of past buyers who never opted in to email
| Criterion | New customer campaigns | Returning customer campaigns |
|---|---|---|
| Cost | Higher cost per order, since these people do not know you | Low apparent cost, much of it for orders already coming |
| Setup effort | Prospecting audiences, creative for cold traffic, exclusions for buyers | Customer lists uploaded and kept current, plus suppression rules |
| Time to signal | Three to four weeks before cost per new customer settles | Days, though the reported result overstates the real effect |
| Control | You choose the segment you want to reach, not who responds | Precise: you know exactly who is in the audience |
| Best for | Growth in customer count and list size | Launches, reorder prompts and winning back lapsed high value buyers |
| What can go wrong | Cost per new customer climbs past what a first order can carry | Budget quietly funds discounts to people who would have bought anyway |
| How we measure it | First time customers per week and cost per first order | A holdout group left unexposed, compared with those who saw the ads |
When both apply
Both belong in the plan, but with a rule about who gets reached where. Owned channels handle the customers you already have, since email and text cost almost nothing to send. Paid budget goes to people who do not know you, with existing customers excluded so you are not buying your own list back.
When you do run a paid campaign at past buyers, give it a reason that email cannot cover on its own and cap it. Then prove it with a holdout: keep part of the list out of the audience for a month and compare their orders with the exposed group. If the two look the same, the campaign was reporting your own retention back to you.
Questions
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