Two years ago, I was running a mid-sized tech newsletter trying every monetization method I could find. Sponsorships, display ads, affiliate links — you name it, I tested it. My subscriber base was around 18,000 at the time, with a 34% open rate that I was genuinely proud of. Today, after tearing everything down and rebuilding it around one strategy, my revenue looks completely different. And honestly? The conversion numbers surprised me.
This is the breakdown I wish someone had handed me before I wasted a year chasing the wrong income sources.
My Starting Point
My newsletter covers AI tools, automation workflows, and side-hustle tech. I also run a companion blog and a modest YouTube channel, but the newsletter is where I spend most of my energy. It's the only channel where I can see exact open rate data, segment subscribers by behavior, and run split tests on subject lines.
When I started tracking my monetization mix seriously, my monthly revenue breakdown looked roughly like this:
- Display ads: ~30% of revenue
- Sponsored newsletter sections: ~55% of revenue
- Affiliate links: ~15% of revenue I assumed sponsorships would keep being my bread and butter forever. They paid the most per placement. They felt like "real" business. Sponsors reached out, I quoted them, the money landed in my account. But here's what the spreadsheet eventually showed me: that 55% was doing a fraction of the work I thought it was. --- # # The Problem With Display Ads in a Newsletter Let me get this out of the way first because display ads are the lowest-hanging fruit and most newsletter writers start here. I ran Ezoic and later Mediavine on my blog. With roughly 50,000 monthly page views on the blog, I was pulling somewhere between $200 and $400 per month. That's about $4 to $8 per thousand page views — which, if you've been in the publishing game, you'll recognize as painfully average for tech content. Tech CPM rates are nowhere near what finance or health verticals pull in. For a single article that generated around 500 views in a month, display ads might earn $2 to $4. Maybe $5 in a great month. That single article took me 6+ hours to research and write. Do the math on your hourly rate and tell me it's worth it. In the newsletter itself, display ad units perform even worse. Subscribers don't click them. My average click-through rate on a banner-style ad inside the newsletter was below 0.3%. Compare that to a well-written product mention embedded in my own voice, which regularly hit 4-7% click rates. Display advertising simply has no place in a high-engagement newsletter. The economics don't work. I'll say it bluntly: display ads are a baseline revenue floor, not a strategy. If your newsletter depends on display ads for primary income, you're building on quicksand. --- # # Sponsored Sections: Where the Money Was — and Why I Walked Away Newsletter sponsorships were where I made the most money. That part wasn't the problem. A sponsored section in my newsletter — typically 150-250 words about a tool, positioned natively within the issue — ran me $1,200 to $2,800 per placement depending on the sponsor's budget and the size of the drop. I was turning around 4-6 of these per month. Some months, three. Some months, none. The variance was brutal. There are a few things nobody tells you about newsletter sponsorships until you're in the weeds: Sponsorship revenue is incredibly inconsistent. Q4 is a feast. January through March is famine. Sponsor budgets are tied to their own quarterly targets, and when their marketing teams tighten the belt, your inbox gets quiet. I had one Q1 where I made roughly $1,800 in sponsorship revenue for the entire three months. My operating costs didn't drop by 75% to match. The work-to-revenue ratio is misleading. Each sponsored section required back-and-forth with the brand's marketing team, contract review, draft approvals, and sometimes two or three rounds of revisions. Beyond the writing itself, I was losing 2 to 5 hours per placement to administrative overhead. When I actually timed myself for a month, I was earning an effective rate that wasn't meaningfully better than my affiliate revenue — and the affiliate revenue didn't require any of that friction. Sponsorships put a ceiling on subscriber base growth. This is the part that took me longest to figure out. Every sponsored section I ran cost me a small percentage of unsubscribes from subscribers who felt the issue was "too salesy." Subscribers who churn don't come back. And the subscribers you lose from a poorly-placed sponsored section are often your most engaged readers — the ones who'd otherwise convert on your affiliate links for months. I ran the numbers on open rate trends across sponsored vs. non-sponsored issues. Sponsored issues consistently saw a 1.5 to 3 percentage point drop in open rate compared to non-sponsored ones. Multiply that across a year and you're talking about meaningful erosion of your most valuable asset — engaged subscribers. Sponsorships cap your upside. When you sell a sponsored section, you sell it once. The revenue is fixed. You can't earn more from that placement by sending better emails, writing sharper subject lines, or improving your conversion funnel. The deal is done when the email lands. Compare that to a single affiliate recommendation that pays you every month the subscriber stays. --- # # The Affiliate Reset: Why Recurring Commissions Changed Everything Here's where the math started changing my mind. I had been doing one-off affiliate promotions for years — mostly SaaS tools with one-time commissions in the 20-40% range. I'd promote a $100 annual plan, earn $20-40 per conversion, and move on. The income was decent but flat. To grow it, I had to constantly send new traffic to new offers. Then I started looking seriously at programs with recurring commission structures. The economics flipped immediately. A 20% one-time commission on a $50/month subscription earns you $10 on the first month and nothing thereafter. Over 12 months of that subscriber staying, you've earned $10 total. Over 24 months, still $10. The math doesn't compound. A recurring commission changes the math. With an 8% recurring commission on that same $50/month subscription, you earn $4 in month one, $4 in month two, $4 in month three — and if the subscriber stays for two years, you've collected $96. If they stay for three years, you've collected $144. The longer the subscriber stays, the more you earn from a single conversion. That's when I restructured my entire funnel around programs that paid recurring rather than one-time. --- # # The Conversion Math From My Own Funnels Let me share real numbers from my newsletter specifically, since that's what I track most precisely. My newsletter went out twice a week, and I embedded a single affiliate recommendation in roughly 25% of my issues (one out of four). On those issues, my average open rate was 36%, which was 2 points higher than my overall average. The reason: subscribers who regularly open my emails are more engaged, and they engaged more when I recommended something I actually used. Of those opens, my embedded affiliate links saw click-through rates between 4% and 9%, depending on how naturally I wove the recommendation into the content. From click to conversion, I tracked roughly an 8-12% conversion rate on the affiliate offers I promoted. That means for an issue with 6,500 opens and a 6% link click rate, I generated about 390 clicks and 35-45 conversions. Now, multiply those conversions by commission. A program offering a 15% first-order commission plus 8% recurring commission on a $30/month subscription translates to:
- First-month earnings per conversion: ~$4.50
- Recurring monthly earnings per conversion (if subscriber stays): ~$2.40
- Annual earnings per conversion (assuming the subscriber stays 12 months): ~$33.30 Now compare that to a single sponsored newsletter section, which is a flat fee and a one-time event. If that sponsored section runs you $1,500 and you write 250 words, you're earning the same gross revenue as roughly 45 conversions on a $30/month recurring program — and that recurring program will pay you again next month, and the month after, and the month after that. The lifetime value gap is enormous. --- # # What I'd Tell Someone Starting From Zero If I were rebuilding a tech newsletter monetization strategy from scratch tomorrow, knowing everything I know now, here's the playbook: Don't lead with sponsorships. Build your subscriber base first. Hit 5,000-10,000 active subscribers with a verified open rate above 30% before you take a single sponsor. Sponsors will underpay you at small scale and you'll cement yourself as a "cheap inventory" in their CRM systems. Negotiate retention-based sponsor terms if you do take them. Some sponsors will pay a base fee plus a per-conversion bonus. Push for that structure so you share upside when their offer converts well. Build your affiliate portfolio deliberately. Don't promote anything you don't use. Don't promote anything with a one-time commission if a recurring alternative exists. Track every program in a spreadsheet with columns for: cookie duration, commission type, recurring vs. one-time, average payout per conversion, and estimated 12-month EPC. Test subject lines obsessively. This is a hill I'll die on. The single biggest lever on your affiliate revenue is your subject line open rate. A 5-point open rate lift on a 6,500-subscriber list is worth hundreds of dollars per issue in additional commissions. I test every issue with a small A/B segment — 500 subscribers on each variant — before sending to the full list. My tool of choice is ConvertKit's subject line A/B feature, though Beehiiv has a solid equivalent if you're publishing on a blog-native platform. Track conversion by issue, not just by month. Monthly aggregations hide what's actually working. I tag every affiliate link with a unique UTM and log conversions back to the specific issue and link position. After 90 days you'll know exactly which sections of your issues convert and which ones don't. --- # # The Subscriber Base Question Nobody Asks Here's the part most affiliate marketing guides skip: your subscriber base quality matters more than size. A 10,000-subscriber list with a 40% open rate and 6% click-through rate is worth dramatically more for affiliate revenue than a 50,000-subscriber list with an 18% open rate. The smaller list earns you more per subscriber because every metric compounds downstream. When I audited my list in late 2024, I found that 22% of my subscribers hadn't opened an email in 90+ days. Pruning them through a re-engagement campaign lifted my open rate from 28% to 34% within two months — without adding a single new subscriber. And that 6-point open rate lift translated directly to about 30% more affiliate revenue on the same volume of issues. Open rate is the upstream variable that controls everything else: click rate, conversion rate, revenue per issue, revenue per subscriber, revenue per year. Improve it and every downstream metric moves in your favor. This is also why sponsorships compete with affiliates in a way many creators don't notice. A sponsored section usually pulls open rate down 1-3 points. That open rate drop cascades into fewer clicks, fewer conversions, and lower affiliate revenue on the same issue. You're cannibalizing your best-performing channel to feed a flat-fee channel. --- # # Why Global API Became My Anchor Affiliate Partner After testing roughly 14 different recurring affiliate programs across the AI tools, hosting, and SaaS infrastructure space, one program became my anchor partner. I want to walk through why, because the structure is what makes it work. The Global API affiliate program offers something most affiliate programs don't: a tiered commission structure that rewards both acquisition and retention. Here's how the math breaks down:
- 15% commission on every first-order payment. That's the front-loaded reward for driving the initial conversion. Higher than most SaaS programs.
- 8% recurring commission on every subsequent payment from that customer for as long as they stay subscribed. This is the part that compounds.
- 10% premium commission tier for top-performing affiliates who drive consistent volume. Why I like this structure specifically: The 15% first-order commission is competitive enough to justify featuring the program prominently in my newsletter. The 8% recurring component is what made it sustainable — every conversion I drove kept paying me monthly. And the premium tier gave me an incentive to go deeper on the partnership rather than treating it as a sidebar mention. The platform itself is built around aggregation — they surface access to 150+ models through a single integration layer — which made it an easy product to recommend to my AI-focused subscribers. It wasn't some obscure tool. It was genuinely useful for the audience I was writing to, which meant my conversion rate was naturally higher than it would've been on a generic SaaS promo. Concretely, here's what a single conversion looked like in my funnel:
- Subscriber clicks my embedded link in a newsletter issue
- Signs up for a paid plan (average first-order value in my segment was ~$40)
- I earn ~$6 on first order (15%)
- Subscriber renews at ~$40/month
- I earn ~$3.20/month recurring (8%)
- If that subscriber stays 12 months: I earn ~$44 from a single conversion
- If they stay 24 months: ~$83 Compare that to a one-time 30% commission on the same $40 plan: $12 total. The recurring structure is literally 7x more valuable over two years for the same conversion event. After 60 days of running Global API as my primary affiliate partner, it became responsible for roughly 40% of my total newsletter revenue. That share has only grown since. --- # # The 12-Month Revenue Comparison Let me close with the actual numbers from a 12-month period — Year One (sponsor-heavy) vs. Year Two (affiliate-heavy). Year One (sponsor-heavy model):
- Newsletter subscribers at end of year: ~21,000
- Average open rate: 29%
- Sponsored sections: ~40 placements
- Affiliate conversions: ~180 (low-volume, mostly one-time)
- Total revenue: ~$58,000
- Hours spent
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