Latest / The Newsletter Podcast with Fexingo: Substack, Beehiiv, and Email Newsletter Business / Why Newsletters Are Selling Sponsored Deep Dives
Transcript
- Lucas: So a newsletter I follow — it's a niche B2B thing covering supply chain logistics — recently ran a piece that was essentially a 1,500-word deep dive into how a specific freight company digitized its operations. It was detailed, data-heavy, genuinely useful. And it was paid for by that freight company. Luna: Right, a sponsored deep dive. I've seen more of those lately. What's the difference from just a native ad? Lucas: That's exactly the question. In practice, a sponsored deep dive is a full-length editorial article — not a brief mention or a banner — that's funded by a single brand, but produced with the newsletter's editorial voice and standards. The key is disclosure: it's clearly labeled as sponsored, but the content is meant to be genuinely useful, not just a sales pitch. Luna: So it's native advertising with a bigger budget and longer format? Or is there something structurally different? Lucas: There is a difference in how it's priced and sold. Native ads are often sold on a CPM basis, like a display ad. A sponsored deep dive is sold as a flat fee — typically between $5,000 and $25,000 depending on the newsletter's audience size and engagement. The supply chain newsletter I mentioned charges $15,000 per deep dive. They guarantee nothing in terms of clicks, but they do provide a readership report showing open rates and time spent. Luna: And the readers actually read those? I'd worry they'd skip anything labeled 'sponsored'. Lucas: That's the counterintuitive part. According to the newsletter's own data — and they shared this publicly — their sponsored deep dives have open rates roughly in line with their regular editorial: around 45 to 50 percent. And time spent is actually slightly higher, because the content is substantive. Readers are smart; they can tell when something is genuinely informative versus fluff. Luna: But doesn't that blur the line between editorial and advertising? If the brand funds it, there's always going to be some influence, even if the writer has editorial control. Lucas: Totally fair concern. The best practice is to have a strict firewall: the brand provides data or access, but the writer decides the angle and keeps the right to include critical points. The supply chain newsletter includes a line at the top: 'This article was written independently, with editorial freedom, and funded by.' They also have a policy that if the brand tries to pull a piece after seeing it, they'll publish it anyway and note the dispute. Luna: That's pretty aggressive. Do brands actually agree to that? Lucas: Some do, especially if they trust the writer and want the credibility. The brand gets a well-researched piece that positions them as thought leaders, not just advertisers. And the newsletter gets a high-margin revenue source — $15,000 for maybe 20 hours of work, with no ad network taking a cut. Luna: So the economics are compelling. But is this scalable? Not every newsletter can command five figures per deep dive. Lucas: No, definitely not. You need a highly engaged, niche audience — ideally B2B or professional — where the brand sees a clear ROI. The supply chain newsletter has about 50,000 subscribers, but they're mostly logistics executives. That's worth more to a freight company than 500,000 general readers. So the model works best for vertical newsletters with a strong reputation. Luna: And what about disclosure? Are there FTC guidelines that kick in here? Lucas: Yes, the FTC's endorsement guides require clear and conspicuous disclosure when there's a material connection. 'Sponsored' at the top is standard. Some newsletters also use a different font or a box around the piece. The key is that readers can't miss it. But as long as it's labeled, it's compliant. The risk is if the content is misleading — but that's true for any advertising. Luna: So for a newsletter contemplating this, what's the first step? Do they need to pitch brands, or do brands come to them? Lucas: Usually the newsletter creates a media kit with audience demographics, engagement metrics, and sample deep dives — either real ones they've done or hypotheticals. Then they proactively pitch to brands that are already relevant to their readers. Cold outreach works surprisingly well if the alignment is clear. Some newsletters list sponsorship options on their website, including deep dives as a tier. Luna: And how do you price it? You mentioned $15,000, but what's the formula? Lucas: A common approach is to set a base rate per thousand subscribers, but adjusted for engagement. For example, $0.50 to $1 per subscriber per month for a deep dive, times your list size, times a multiplier for exclusivity. Another way is to compare to what a similar ad campaign would cost on LinkedIn or industry publications. The supply chain guy told me he prices his deep dives at roughly three times the cost of a standard sponsored newsletter issue — because it's more work and more value. Luna: That makes sense. And do they limit how many deep dives they run per month to avoid overwhelming readers? Lucas: Absolutely. Most successful ones cap it at one or two per month max. The supply chain newsletter runs one deep dive per month, and they rotate it with regular sponsored mentions and display ads. Too many sponsored deep dives and you lose the editorial trust that makes them valuable in the first place. Luna: So it's a premium product, not a volume play. That's a smart positioning. Lucas: Exactly. And it works because the format itself signals quality. A brand paying $15,000 for a single article is saying, 'We value this audience and we're willing to invest in substance.' Readers pick up on that. It's a virtuous cycle if done right. Luna: I can see this becoming a bigger part of newsletter revenue models, especially for niche B2B writers. But I wonder about the long-term effect on reader trust if deep dives become too common. Lucas: That's the risk. The barrier to entry is low, so as more newsletters offer deep dives, the market could get saturated and readers might become skeptical. The newsletters that will thrive are the ones that maintain strict editorial independence and only partner with brands that genuinely fit their audience. The ones that treat it as just another ad slot will probably erode their brand. Luna: So the key is curation. Both of the brand and the content. Lucas: Right. Curate the sponsor as carefully as you curate your reporting. And be transparent about the process. If a newsletter publishes a sponsored deep dive that's genuinely useful and clearly labeled, I think most readers appreciate it. They understand that producing quality content costs money. Luna: Speaking of which, if this conversation has helped you think about your own newsletter's revenue options, and you'd like to support the show, we do have a buy me a coffee page. It's buy me a coffee dot com slash fexingo. No pressure, just a way to keep these conversations ad-free and independent. Lucas: Yeah, that's right. Every little bit helps us keep digging into topics like this. And honestly, if you've ever run a newsletter yourself, you know how much work goes into it. We appreciate it. Luna: Alright, back to deep dives. Lucas, are there any newsletters you've seen that do this particularly well, beyond the supply chain one? Lucas: A few. There's a marketing newsletter called 'The Marketing Companion' that runs sponsored deep dives with software companies — they do case study style pieces that are almost indistinguishable from editorial. And a fintech newsletter called 'Fintech Nexus' has a series of deep dives on specific regulatory changes, sponsored by compliance firms. Both are transparent about sponsorship, and the content is solid. Luna: Good examples. I think the key takeaway is that sponsored deep dives work when they're a win win win: the brand gets targeted credibility, the newsletter gets high-margin revenue, and the reader gets useful content. Lucas: Exactly. And if you're a newsletter writer, it's worth exploring — but only if you can maintain the trust that makes your newsletter valuable in the first place.