Business building · Do this yourself

Build small niche sites with agents and sell them on marketplaces.

How it makes money: Sell agent-built niche sites for about $800 each on site marketplaces.

Agent setup: Intermediate · Connects several tools (Lovable, Supabase) with payments and simple data. How we rate this

💰 u/DavidCBlack: $7,405 in site sales so far (self-reported, r/EntrepreneurRideAlong) $7,405 in site sales so far (self-reported, r/EntrepreneurRideAlong)

🔥 0 posts this week · 0 likes

Based on u/DavidCBlack on Reddit (opens in new tab)

Where this came from (Reddit)

Freelancers on Reddit say AI has dried up client work, and turning code into sellable assets is one way they replace it.

The threads (in our words)

Reddit blocks automated reads, so we couldn’t record upvote or comment counts. Revenue figures are the poster’s own claim (self-reported), not verified. The business below is our own design inspired by these threads.

Who it’s for

Developers and no-code builders with a repeatable site template.

Adapt it to your industry

  • Start with one niche or customer type, then expand.
  • Ask your first 10 customers what they would pay before you build more.
  • Keep a human check on anything sent in a customer’s name.

Step by step

  1. Build one template (directory or job board) with Lovable and Supabase.
  2. Have an agent pick niches with real search demand and few good sites.
  3. Launch a new niche every week, with an agent writing starter pages.
  4. Add a way to earn (featured listings by Stripe) so buyers see revenue.
  5. List sites on marketplaces like Flippa with honest traffic and revenue screenshots.
  6. Keep a simple log of each site’s costs, traffic and sale price.

Ready-to-copy prompt

Suggest 15 niches for a local-services directory or niche job board where people search a lot but existing sites are poor. For each: example searches, how it could earn, and how hard it is to fill with listings.

Start with AI

Opens the AI with this guide and the prompt filled in.

Open in ChatGPT (opens in new tab)Open in Claude (opens in new tab)Open in Grok (opens in new tab)
Time
2–6 weeks for a first versionOur estimate

Your autonomous stack

Autonomy: The app, onboarding, billing and support run without you. Your part: Weekly: read metrics and support escalations, approve changes (about 1 hour).

Every layer an agent-run business needs, in order. Prices are public list prices, checked Oct 16, 2026.

  1. Agent (the brain): Grok Bot (agent + scheduled routines) (opens in new tab) (Included with The X Subscription Premium $30/mo (Super $100/mo for more usage; Plus $8 does not include Grok Bot)). Grok Bot runs the business day to day: writes, answers, decides small things and reports to you. Claude Code or Codex are alternatives.
  2. Build and hosting: Lovable (opens in new tab) (Free tier · Pro $25/mo), Supabase database (opens in new tab) (Free tier · Pro from $25/mo). The product or service your customers use.
  3. Payments: Stripe payments (opens in new tab) (No monthly fee · 2.9% + 30¢ per card payment). Automatic checkout and receipts. Other options: PayPal Checkout (3.49% + 49¢) or Lemon Squeezy (5% + 50¢, handles sales tax).
  4. Customer acquisition: Buffer (scheduled X posts) (opens in new tab) (Free plan (3 channels, 10 queued posts each) · Essentials $5/mo per channel, billed yearly), beehiiv newsletter (opens in new tab) (Free up to 2,500 subscribers), Apollo (find business emails) (opens in new tab) (Free tier · Basic $65/mo). Agent-written SEO pages, scheduled X posts and a weekly newsletter, plus cold email to businesses that follow CAN-SPAM/GDPR (real sender, opt-out link, no bought consumer lists).
  5. Delivery: Grok Bot (agent + scheduled routines) (opens in new tab) (Included with The X Subscription Premium $30/mo (Super $100/mo for more usage; Plus $8 does not include Grok Bot)). A Grok Bot routine delivers the product or result as soon as someone pays.
  6. Support: Grok Bot (agent + scheduled routines) (opens in new tab) (Included with The X Subscription Premium $30/mo (Super $100/mo for more usage; Plus $8 does not include Grok Bot)). Grok Bot answers the support inbox; anything unclear is flagged for you.
  7. Monitoring and schedule: Grok Bot (agent + scheduled routines) (opens in new tab) (Included with The X Subscription Premium $30/mo (Super $100/mo for more usage; Plus $8 does not include Grok Bot)). Grok Bot scheduled routines run each day: send, check for failures, alert you if something breaks.
  8. Analytics: Google Analytics (opens in new tab) (Free). Tracks visits, signups and sales so the agent can report what works.
  9. Human checkpoint: Weekly: read metrics and support escalations, approve changes (about 1 hour).
  10. Price: charge $800 per site (sell finished sites). Offer the first 3 customers a founding price for honest feedback.
Monthly cost$30–$150/monthFree tiers → paid plans of the tools above. Card fees come out of each sale.
What you could earn · EstimateEstimate: 2 sites sold a month × $800 = $1,600/moOur estimate, not a fact or a promise. It’s simple math if you land these customers at this price.
Details: source, numbers and tags

What they did

Use one codebase to spin up niche directories and job boards, grow them a little, then sell them. We designed this business from real Reddit threads; it is an idea for you to build, not a description of the posters’ businesses.

How it went

Found on Reddit in r/EntrepreneurRideAlong (1 thread). Upvote and comment counts weren’t retrievable, so none are shown. On X, 0 posts matched our search for this idea in the 7 days to 2026-10-16.

Worth knowing

Be honest in listings: buyers check traffic and revenue claims.

Difficulty
BeginnerOur rating
Time to build
Not reportedOur estimate
Monthly cost
Not reported
Revenue
$7,405 in site sales so far (self-reported, r/EntrepreneurRideAlong)Self-reported: The founder’s own claim; not verified by us
Engagement
No public countThe source shows no number
X buzz
0 · 0 posts in 7 days0 likes, 0 reposts, 0 replies, 0 quotes on 0 top posts · fetched Oct 16, 2026 · query: (flippa OR "sold my site" OR "sold a site") (directory OR "niche site" OR "job board") -is:retweet lang:en

Posted · Added Oct 16, 2026

Original builder recipe

  • ChatGPT
  • Claude
  1. Build one template (directory or job board) with Lovable and Supabase.
  2. Have an agent pick niches with real search demand and few good sites.
  3. Launch a new niche every week, with an agent writing starter pages.
  4. Add a way to earn (featured listings by Stripe) so buyers see revenue.
  5. List sites on marketplaces like Flippa with honest traffic and revenue screenshots.
  6. Keep a simple log of each site’s costs, traffic and sale price.

Tags

Read the original

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