12 digital AI businesses: which one should you build first?

Over the past few weeks we investigated 12 digital businesses being built today with AI tools, from music on Spotify to an avatar live streaming on Twitch. In each one we looked for the same things: a real, verifiable case (not an online-course promise), the specific platform or legal risk almost nobody mentions, and an honest answer on whether it's worth it. This piece closes the series by ranking the 12 cases and answering the question we got asked the most: which one to start with?

What we investigated and how this series came together

It all started from one specific question about AI-generated music on Spotify, and turned into an investigation of 12 different formats, each published with the same discipline: real cases with a verifiable source, industry figures clearly flagged as unaudited when that applied, and the risk (legal, platform, or safety) that decides whether the business is sustainable or not.

The ranking by real verification level

Not every case in this series carries the same backing. Ranking them by that is more useful than ranking them by the biggest number.

The best-documented, with a real name attached

• Neuro-sama (AI avatar live streaming): Twitch's most-subscribed paid channel, USD 400,000+/month from subscriptions alone — but with a technical barrier of years of development, not a tool you buy.
• Adavia Davis (faceless channel): USD 40,000-60,000/month verified by Fortune with real AdSense screenshots, the lowest entry barrier among the large cases.
• Breaking Rust and Velvet Sundown (AI music): real, documented cases, but with moderate or low earnings even at peak success (Velvet Sundown: barely USD 1,000-3,000 despite 1.4 million monthly listeners).

Real RPM data, no verified individual creator case

Relaxation and nature, electronic music/DJ, Roblox with AI voices, and brainrot all have well-documented RPM and platform economics, but no individual case with a real name and independently audited figures.

No verified case at all

AI jingles for brands and, largely, stock images (where what IS verified is the sector's 98% revenue collapse) have no case of anyone earning money specifically from that business that we were able to verify.

The four risks that keep coming up

• YouTube's inauthentic content policy: directly hits Roblox, brainrot, faceless channels, and — explicitly and without exception — AI podcasts.
• Copyright on 100% AI-generated content: hits music and jingles — a 2026 US ruling holds that such content has no copyright, so there's no real exclusivity to sell or defend.
• Reader/viewer physical safety: unique to Amazon KDP books, when the niche touches health, safety, or species identification.
• Market collapse from supply saturation: unique to stock images, where the sector's total revenue has already fallen 98% between 2019 and 2026.

The ones worth avoiding or treating with maximum caution

Only one of the 12 has a short "no" answer: the AI podcast with an "expert" giving health, finance, or legal advice has been explicitly excluded from YouTube monetization since July 2026, with real cases of five-figure-monthly channels demonetized overnight. AI books in health or safety niches, and jingles sold as "exclusive," also deserve maximum caution — not because they're banned, but because of the risk each one carries.

So, which one should you build first?

It depends on capital and profile, but there's a reasonable order. To start with the lowest risk and the best-verified case, the faceless channel is the strongest entry point: accessible tools (ElevenLabs, ChatGPT/Claude, Pexels), a real case verified by Fortune, and a policy risk that's mitigated with an original script and deliberate editing. If the interest is more creative than operational, AI music on Spotify remains the most-proven catalog business in the whole series. And if there's real technical background (software development, not just marketing), the AI avatar live streaming format has the highest earnings ceiling of this entire cluster — but only for someone willing to build it as a software product, not a content channel.

All 12 articles in this series

• AI music on Spotify
• AI cartoons on YouTube
• AI electronic music/DJ on YouTube
• AI relaxation and nature videos
• Roblox and AI voices on YouTube
• AI "brainrot" videos
• Faceless YouTube channel
• AI avatar live streaming (Neuro-sama case)
• AI jingles for brands
• AI books on Amazon KDP
• AI photos and videos on stock image sites
• AI podcast (be careful with this one)