AI AssistantNamed in 11 case studies

ChatGPT

OpenAI's general-purpose AI assistant. In our documented cases it is used to draft reports, brainstorm product slogans, write first drafts of client posts, and generate code for digital products.

ChatGPT logo and wordmark on a blue and orange gradient.
Image: OpenAI (official site). View source (opens in a new tab)
Visit Official SiteOfficial Pricing PageNo affiliate relationship. This is a plain link.
Pricing

Free plan, plus paid Go, Plus, and Pro plans for individuals and Business and Enterprise plans for teams. Exact prices were not shown in the version of the page we could read; check the official page for your region.

Free plan: Yes. Free plan with limits on uploads, image creation, and deep research.

Checked on the official pricing page on October 17, 2026. Prices change and can vary by region, tax, and billing period.

How It Is Used in Our Cases
  • Drafting first versions of reports, posts, and summaries
  • Brainstorming product names, slogans, and niches
  • Generating code for simple tools and fillable documents
Limitations
  • Free plan has limited uploads, image generation, and memory
  • Output can contain invented facts and needs checking
  • Some paid features are reserved for higher tiers
In the Case Studies

Case Studies Using ChatGPT

11 case studies
DimeADozen.ai social preview: "Validate a business idea before you build it."
Image: DimeADozen.ai
October 16, 2023
1 source

A $185 AI report tool that made $66,000 and sold for $150,000

Sal Aiello and Monica Powers built DimeADozen, a site that turns a business idea into an AI-generated validation report. They built it in four days, charged $39 per report, made more than $66,000 in about seven months, and then sold the business for $150,000.

Reported figure
$66,000+ in about 7 months(revenue)
Evidence levelIndependently Documented
Tools:
Inspect Case
BoltAI social preview: "All AI models in one app", with a screenshot of the Mac app.
Image: BoltAI
September 2024
1 source

BoltAI: a native Mac AI app earning about $15,000 a month

Daniel Nguyen built BoltAI, a native macOS client for AI models. He told Indie Hackers it makes about $10,000 a month in one-time sales plus $5,000 in monthly recurring revenue. Licences were priced at $37, $57, and $79.

Reported figure
$10,000/mo one-time sales + $5,000 MRR(revenue)
Evidence levelSelf-Reported
Tools:
Inspect Case
Superpower ChatGPT social preview: "Turn ChatGPT into your AI workspace", with a mockup of folders and tools.
Image: Superpower ChatGPT
August 18, 2024
1 source

A solo developer's ChatGPT browser extension at $20,000 to $30,000 MRR

Saeed Ezzati, a software engineer, learned to build browser extensions and launched his first one within two or three days. Superpower ChatGPT adds features such as folders and search to ChatGPT. He told Starter Story it was at about $20,000 to $30,000 MRR and that he is the only person working on it.

Reported figure
$20,000 to $30,000 MRR(recurring revenue)
Evidence levelSelf-Reported
Tools:
Inspect Case
June 2, 2025
1 source

A marketing consultant who cannot code sells chatbot setups to small businesses

A marketing consultant built a chatbot for a skincare client that was spending too long answering the same questions. The client paid $300 to refine and install it. Within a month there were three more clients at $250 to $500 each, then a $50 monthly maintenance fee, and six paying clients by month two.

Reported figure
$1,000+ by month two(revenue)
Evidence levelSelf-Reported
Tools:
Inspect Case
September 1, 2023
1 source

A couple earned $39,500 from nonfiction books and audiobooks in three months

Chris Rawson and Angelina Stanzione built a catalogue of 29 nonfiction books on Amazon, 17 of them also on Audible. They reported $34,500 in KDP royalties and $5,000 in audiobook royalties over three months. They started with ghostwriters and later used ChatGPT.

Reported figure
$39,500 in 3 months(revenue)
Evidence levelSelf-Reported
Tools:
Inspect Case
Video thumbnail: You Don't Need Hours to Build a 6-Figure Etsy Print-on-Demand Shop
Video: Emily Odio-Sutton
September 27, 2024
1 source

An Etsy print-on-demand shop that brought in $220,300 in a year

Emily Odio-Sutton started a print-on-demand shop on Etsy in 2022 so she could be available for her daughter. Printify prints and ships each order. CNBC Make It reported her store brought in $220,300 in 2023. She spends about 10 hours a week on her shops and declined to name them to avoid copycats.

Reported figure
$220,300 in sales (2023)(revenue)
Evidence levelIndependently Documented
Tools:
Inspect Case
March 12, 2024
1 source

Text-based Etsy apparel that made CA$470,000 in a year

Christina Umerez built an Etsy store selling text-based designs on T-shirts, sweatshirts, and totes. She uploaded about ten designs a day early on, quit her job, and says the store made CA$470,000 in revenue in 2023, selling around 150 items a day. A virtual assistant handles customer service and uploads.

Reported figure
CA$470,000 (about US$347,500)(revenue)
Evidence levelSelf-Reported
Tools:
Inspect Case
August 18, 2025
1 source

A paid book-summary newsletter that reached $1,400 a month by month six

A side hustler launched a weekly book-summary newsletter on Substack at $7 a month or $50 a year. The first month brought 42 subscribers. By month three there were 150 subscribers and $1,000 in total revenue, and by month six about $1,400 a month.

Reported figure
About $1,400/mo(revenue)
Evidence levelSelf-Reported
Tools:
Inspect Case
June 30, 2025
1 source

AI-assisted LinkedIn ghostwriting for executives at close to $3,000 a month

Sean, a digital marketer, sells LinkedIn post packages to busy executives: four posts for $200, eight posts plus an engagement strategy for $400, and a custom tier from $800. Within a month he had four clients on the $400 tier. By month two he had six recurring clients and was close to $3,000 a month.

Reported figure
Close to $3,000/mo(recurring revenue)
Evidence levelSelf-Reported
Tools:
Inspect Case
Video thumbnail: Becky's Birthday AI Products Workshop - Create 3 products to sell for Etsy using AI tools quickly!
Video: Becky Beach AI Tutorials
August 5, 2025
1 source

Vibe-coded printables and courses that doubled income to $20,000 a month

Rebecca Beach has sold printables and private label rights products since 2018. She says AI-assisted "vibe coding" let her double her income from about $10,000 to up to $20,000 a month. Printables sell for $7 to $37 in her Shopify store and on Etsy; courses run from $97 to $997.

Reported figure
Up to $20,000/mo(revenue)
Evidence levelSelf-Reported
Tools:
Inspect Case
April 18, 2023
1 source

A beginner ChatGPT course on Udemy made $34,913 in profit in about three months

Lance Junck, a 23-year-old brand strategist in Austin, launched "ChatGPT Masterclass: A Complete ChatGPT Guide for Beginners" on Udemy in late December 2022. Business Insider reported that in about three months the course enrolled more than 15,000 students and made $34,913 in profit, based on screenshots of his sales dashboard. He ran it on top of a full-time job.

Reported figure
$34,913 profit
Evidence levelIndependently Documented
Tools:
Inspect Case
Alternatives

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Claude logo and wordmark on a cream background.Official image

Claude

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Anthropic's AI assistant. Documented cases use it to write long video scripts, draft newsletter summaries, and run client offers on a single monthly subscription.

Free plan: Yes. Free plan for chat on web, desktop, and mobile.

Pricing: Free plan. Pro is $20/month billed monthly or $17/month billed annually. Max starts at $100/month. Team seats start at $20/seat/month billed annually.

Checked October 17, 2026

Used in 5 documented casesView Profile
Google Gemini logo and wordmark on a white background.Official image

Google Gemini

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Google's AI assistant. One documented print-on-demand seller uses it to check trending phrases because it can search Google in real time.

Free plan: Yes. Free with a Google Account.

Pricing: Free with a Google Account. Paid individual plans listed at $4.99/month, $19.99/month, and from $99.99/month. Business plans from $21 per seat per month.

Checked October 17, 2026

Used in 1 documented caseView Profile
Advertising slot availableAdvertise on AI Side Hustles

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