Costs
Part of Donor acquisition: judging a channel by retained donors, consent and capacity
Lessons from real campaigns: what they teach about donor acquisition
Four named campaigns show what actually moved net acquired donors, and why gross gift totals hide the donor acquisition cost and attrition behind them.
What to take away
- Judge a channel by net acquired donors and month-thirteen retention, not by the launch-week gift total.
- The five campaigns below all publish gift totals. None publishes cost per net acquired donor or month-thirteen retention. We checked each organization's latest annual report, and that gap is itself the lesson.
- Donor intent decides renewal, so the offer matters as much as the channel.
- No campaign here is a template you can copy. Each worked because one audience met one moment with one offer.
How to judge a campaign on net acquired donors
Start with the arithmetic, because it decides the rest. Take gross gifts, subtract recruitment spend, subtract refunds and chargebacks, then divide by first-time donors. That is cost per net acquired donor.
Example: a channel reporting $200,000 in gifts against $180,000 in recruitment cost nets $20,000. A second channel reporting $60,000 in gifts against $15,000 in cost nets $45,000. The second program is stronger and looks weaker on a board slide.
Gross gifts vs net acquired
Channel A
- Gross gifts
- $200,000
- Recruitment cost
- $180,000
- Net acquired
- $20,000
- Board slide
- Looks better
Channel B
- Gross gifts
- $60,000
- Recruitment cost
- $15,000
- Net acquired
- $45,000
- Board slide
- Looks worse
Then check month thirteen. A channel that is cheap and does not retain is a rental, not a pipeline. A donor acquisition benchmark built on net donors survives a budget meeting better than one built on gross gifts.
Typical planning ranges, not benchmarks for any named campaign: US nonprofits commonly report $40 to $120 per net acquired donor on cold list buys, and $10 to $40 on peer-ask programs. Month-thirteen retention commonly falls under 15% for one-off event donors and between 20% and 35% for volunteer-linked donors.
Refunds matter more than most teams assume. A reversed gift costs the processing fee, the staff time, and often the donor's goodwill.
Five campaigns worth studying
| Campaign | Mechanic | Lesson for acquisition | Not published |
|---|---|---|---|
| charity: water birthday pledge | Supporters give up a September birthday and ask friends instead of gifts | The first gift arrives with a personal reason attached | Cost per net acquired donor; month-thirteen retention |
| ALS Ice Bucket Challenge, 2014 | Participant-led video; the ALS Association reported about $115 million in gifts during the eight weeks of the challenge | Reach and net acquired donors are different numbers | Month-thirteen retention for that cohort |
| Movember, running since 2003 | November team pages, participants ask their own contacts | A repeating annual moment builds a returning donor base | Cost per net acquired donor |
| Team Rubicon, running since 2010 | Volunteers train for disaster response roles before any ask | Skills matching recruits a role, and the gift follows | Cost per net acquired donor |
| Wikimedia Foundation year-end banner | Readers are asked inside the product each December | You can acquire donors from your own users without buying media | Month-thirteen retention of banner donors |
In 2011 the charity: water push included Rachel Beckwith, a nine-year-old supporter who asked for birthday donations instead of presents. Her page drew more than $1 million after she died in a car crash.
charity: water counts donors rather than dollars. A refunded gift is not a donor, so net donors after refunds are the unit it reports against.
The ALS Ice Bucket Challenge is the clearest warning in the set. Most participants gave once, and many had no prior link to the cause. Reporting reach as if it were a donor file is one of the donor acquisition mistakes that shows up a year later as a retention hole.
Movember works the other way. The same participant can be asked again each November with a new goal, so the second gift costs far less to acquire than the first. Registration runs to a team page, and the participant does the asking. Movember recruits a walker rather than a gift, so the ask costs the organization less.
Team Rubicon recruits a role before it asks for money. Skills matching puts a medic or a damage assessor where that skill is needed, so a volunteer who deploys has already committed more than a gift. Recruitment and fundraising run through one funnel.
Wikimedia Foundation asks its readers inside the product each December. The banner is a single button with no gift array and no suggested amounts, so fewer choices mean fewer abandonments. It raises millions from that one button. The foundation's audited statements for the year ending June 2024 report about $185 million in revenue.
What to copy and what to leave
Copy the structure of the ask: a named moment, a named asker, a fixed season. Leave the assumption that reach converts on its own.
Copy the countable unit as well. Teams that copy the birthday framing or the bare banner, and drop the personal page or the click path, end up with a campaign they cannot count per person.
Weigh in-kind channels too. Google Ad Grants gives eligible nonprofits up to $10,000 a month in Search ads, which lowers the cost side of cold acquisition. It does not change donor intent, so the retention test still decides.
Set the test before you scale
- Define the population and comparison basiswhich donors, which dates, which channel.
- Record gross gifts, recruitment cost, refunds and net acquired donors separately.
- Track retention at month thirteen, not month one.
- Watch one normal path and one failure path, such as a reactivation that produces complaints.
- Keep claims, inputs, versions and the decision date in one file.
- Set a stop rule and a review date before releasing the next tranche of spend.
Consent and receipt rules that touch these campaigns
Email reactivation to lapsed donors falls under the FTC's CAN-SPAM rules, which cover opt-out handling, honest subject lines and a physical address. The CAN-SPAM compliance guide for business is short enough to read before the next send. Honoring earlier opt-outs is the discipline that keeps a lapsed donor reactivation campaign from turning into spam.
Receipts are the second rule set. The IRS sets substantiation and disclosure requirements for charitable gifts, so a donor who gives again should receive a compliant acknowledgment. A single gift of $250 or more also needs a written acknowledgment. Confirm your own wording with US counsel before rolling one template across every channel.
Canadian consent rules differ. Under CASL, express opt-in expectations are stricter, so treat Canada as a separate market note rather than a US rule.
The rules apply when you reuse another organization's campaign. Record what each example started with, what it did, what it counted and what would have to change locally. Then check how that campaign collected consent before you mail anyone it produced.
