Business building · Do this yourself

Warn companies before their software prices go up.

How it makes money: Charge companies $29/mo for early warnings before their software vendors raise prices.

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

Found on Reddit in r/SaaS (1 thread).

🔥 26 posts this week · 10 likes

Based on u/DarkNecessities89 on Reddit (opens in new tab)

Where this came from (Reddit)

Small teams get surprised by software price hikes with no time to switch or lock in a better rate.

The threads (in our words)

Reddit blocks automated reads, so we couldn’t record upvote or comment counts. The business below is our own design inspired by these threads.

Who it’s for

Startups, finance leads and IT managers.

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. Let customers list the tools they pay for.
  2. Have an agent check each vendor’s pricing page, changelog and terms weekly and spot changes.
  3. Send an alert with the change, the date and 3 alternatives.
  4. Charge per company per month by Stripe.
  5. Publish a public “price changes this month” page for SEO.
  6. Review alerts before they go out at first, then sample them.

Ready-to-copy prompt

Here is the old and new text of a pricing page: [paste both]. Summarize what changed, who it affects and whether the customer should lock in a plan now.

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
1–3 hoursOur 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: Vercel hosting (opens in new tab) (Hobby free · Pro $20/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 $29 per company (monthly plan per company). Offer the first 3 customers a founding price for honest feedback.
Monthly cost$30–$145/monthFree tiers → paid plans of the tools above. Card fees come out of each sale.
What you could earn · EstimateEstimate: 40 companies × $29 = $1,160/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

Agents watch vendors’ pricing pages and terms, then alert customers early and suggest alternatives. 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/SaaS (1 thread). Upvote and comment counts weren’t retrievable, so none are shown. On X, 26 posts matched our search for this idea in the 7 days to 2026-10-16.

Worth knowing

Monitor only public pages and respect robots rules.

Difficulty
BeginnerOur rating
Time to build
Not reportedOur estimate
Monthly cost
Not reported
Revenue
Not reportedWe only show revenue the source states
Engagement
No public countThe source shows no number
X buzz
18.8 · 26 posts in 7 days10 likes, 2 reposts, 5 replies, 0 quotes on 6 top posts · fetched Oct 16, 2026 · query: ("price increase" OR "raised prices" OR "price hike") (saas OR software OR subscription) (notice OR announced) -is:retweet lang:en

Posted · Added Oct 16, 2026

Original builder recipe

  • ChatGPT
  • Claude
  1. Let customers list the tools they pay for.
  2. Have an agent check each vendor’s pricing page, changelog and terms weekly and spot changes.
  3. Send an alert with the change, the date and 3 alternatives.
  4. Charge per company per month by Stripe.
  5. Publish a public “price changes this month” page for SEO.
  6. Review alerts before they go out at first, then sample them.

Tags

Read the original

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