Sub-Affiliate Commissions: The Second-Tier Math

A sub-affiliate commission pays you a slice of what another affiliate earns, for as long as they keep earning, because you were the one who referred them into the program. It is the same mechanic the affiliate marketing industry generally calls a two-tier affiliate program: your own commission is tier one, and a smaller override on the people you recruited is tier two. The idea is simple. The math that decides whether it is worth your time is not. Two things move the number by roughly the same amount — how long your referrals keep earning, and the override rate itself — and only the first of them is anything you can influence.

Who pays whom, and where the money actually comes from

The second-tier override is not deducted from the recruited affiliate's own earnings — they are paid their full commission regardless. It is paid from the program's own margin, as a separate line, because the program is happy to give up a small slice of its take for the introduction that brought a new publisher onto its books at zero acquisition cost. That is worth stating plainly because it is the most common misunderstanding: recruiting someone into a program does not shrink what they earn.

Worked example: three affiliates, twelve months, illustrative rates

Say you refer three affiliates into a program over your first three months of active promotion, one per month, and the program pays a 5% sub-affiliate override — a figure chosen here for illustration, since actual rates vary by program and are stated in each program's own terms. Each of your three referrals goes on to earn an average of EUR 150 a month once they are established, but not every referral stays active. Two keep publishing consistently; one stops after month four, as most new affiliates do somewhere in their first year.

Total over the year: EUR 187.50, from three referrals, for work that was mostly a one-time act — telling three people that a program exists and that a recruitment link earns you both something. Run your own referral count, average commission and expected churn through the sub-affiliate income calculator to see what a realistic number of introductions is worth for your own audience, rather than assuming the illustrative figures above.

Churn versus rate: which lever actually moves the number

Compare two scenarios with the same three referrals and the same 5% override, differing only in how long each referral stays active. Illustrative figures, built on the same EUR 150 average and EUR 7.50-per-referral-month override as above:

Fixing the churn in this example — moving from the high-churn row to the low-churn row, rate unchanged — very nearly doubles the total, from EUR 127.50 to EUR 247.50. Doubling the rate instead, from 5% to 10%, on the high-churn row alone also very nearly doubles it, to EUR 255. In this specific comparison the two levers are close to the same size, which is worth knowing precisely because it cuts against the instinct to chase the program with the highest headline override: a 10% rate is not obviously better than a 5% one if the 10% program caps how many people you can refer, while the 5% program lets you refer as many capable affiliates as you can find and keep active. The rate a program offers is fixed by its own terms; who you refer, and how well you prepare them before they start, is the one variable actually inside your control. Someone who reads a genuinely useful explanation of how sub-affiliate programs work before starting is more likely to stick with the work past month four than someone who signed up expecting fast, passive money and quit at the first quiet month — and the room to shop for a materially higher rate is narrower than it looks: Matt McWilliams, writing on two-tier program design generally, notes that "the second-tier rate almost always sits between 2% and 10%," which puts a fairly hard ceiling on how much the rate itself can move the number compared with who you refer and how long they stay.

When promoting the tier is worth the space on your page

It earns its place when your audience already contains people actively building or considering an affiliate site of their own — a getting-started guide, a program review, a comparison piece — because the recommendation is a genuine extension of the content, not a bolt-on. It does not earn its place on a page aimed at players rather than publishers; putting a recruitment pitch in front of an audience that has no use for it dilutes both the page's focus and its usefulness.

The timeline is longer than the first-tier one

A referred affiliate's first months look exactly like anyone's first months: no traffic yet, no commission yet, nothing for your override to apply to. The EUR 187.50 in the worked example above did not arrive evenly — most of it landed in the second half of the year, once the earliest referral had built up a real month of EUR 150 in its own commission rather than the near-zero a brand-new site produces. Budgeting for a sub-affiliate tier on the same twelve-month horizon as your own site's growth curve, rather than expecting it to pay out immediately, avoids the disappointment of checking the override line in month two and concluding the tier does not work.

What this does to your own invoicing

A sub-affiliate override is ordinary commission income from the program's perspective, reported the same way your first-tier earnings are — it does not require a separate invoice or a different tax treatment on its own. It is still worth tracking as its own line in your records, separate from first-tier commission, if only so you can see clearly which of the two is actually driving your growth year over year. Getting paid, taxes and invoicing covers the general record-keeping this sits inside.

When it is not worth building around

If your audience is thin, or the content plan does not naturally produce publisher-facing pages, chasing the second tier is a distraction from the work that actually pays: your own first-tier commissions, which do not depend on convincing anyone else to start a business. Treat the sub-affiliate tier as a bonus a genuinely publisher-facing site can layer on top of its existing content, not as a strategy to build a site around from scratch.

What we would do this week

1. If you already write for an audience of aspiring affiliates, check whether the programs you work with even offer a sub-affiliate tier — not all do, and it is stated in a program's own terms, not assumed.
2. Run three realistic referral scenarios through the sub-affiliate calculator, varying retention and the override rate separately. In the worked example they move the total by a similar amount — but the rate is whatever the program publishes, and retention is the half you can actually work on.
3. If the tier does not fit your current audience, leave it — a first-tier commission you actually earn beats a second-tier one you are structurally unlikely to.