The RealReal wasn't tracking it. That's the first thing worth noting. The luxury resale platform launched its anonymous Substack newsletter, The RealGirl, as a community play — a way to build connection with its audience, not to move product. Then items linked in the newsletter kept selling out. So the company looked more closely.
What it found: The RealGirl had quietly generated over $334,000 in direct sales. Total views had quadrupled year over year, reaching 236,000. Subscriber count was up 138%. A newsletter that nobody designed as a revenue channel had become one — and the business had almost missed it.
The story comes from a Modern Retail investigation published June 25, 2026, which found The RealReal is far from alone. Rare Beauty and MM LaFleur have both moved onto Substack with content-first strategies, and the same pattern is emerging across all three: brands build audience trust through editorial content, then find that trust converts at checkout. Shopify has its own Substack, called In Stock, which covers ecommerce trends. It's a platform built to sell ecommerce software, now running what is effectively a trade publication.
The Wider Picture
Substack's emergence as a brand channel matters precisely because it inverts the usual ecommerce logic. Most brand marketing is built around the conversion funnel: get attention, drive to product, close sale. A Substack works the other way. You earn ongoing attention by being genuinely interesting or useful. Commerce follows, but only because trust precedes it. The RealReal's numbers are striking partly because nobody optimised for them — which may be exactly why they landed.
This fits a broader pattern in 2026's marketing landscape. Paid social costs are rising. Algorithm-dependent organic reach is increasingly unreliable. Owned channels — email, newsletters, direct community — are reasserting their value. Substack, which charges nothing to publish a free newsletter and takes only a 10% cut of paid subscriptions, is positioned as a low-friction way to build an audience nobody else can switch off. The RealReal's accidental $334,000 is a data point in a larger argument for owning the relationship rather than renting the attention.
The Practical Takeaway
Start before you're ready to sell. The RealReal's success came from building before tracking. It published with a community intent, which kept the editorial voice authentic. Newsletters that read like catalogues with bylines rarely build the kind of trust that converts.
Measure what your links move, from day one. The RealReal only discovered the $334,000 figure by going back through link data. Build UTM parameters into every product or affiliate link from your first issue. You may already have attribution data sitting uncollected.
The anonymous voice was a feature, not an accident. The RealGirl runs without a named author, giving it room to develop a distinct editorial personality separate from corporate brand voice. For businesses whose official tone is tightly managed, a newsletter with some editorial independence tends to produce more readable — and more persuasive — content than the signed press-release equivalent.
The best sales channels in 2026 often don't look like sales channels. That is not a coincidence — it is the mechanism.
Source: Modern Retail, June 25, 2026