AdvancedUnder $500

23 Business Ideas for Experienced Entrepreneurs (Under $500)

Real ideas discussed by serial entrepreneur Chris Koerner — each with startup costs, difficulty level, and revenue potential.

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All 23 ideas

AdvancedOnlineUnder $500

AI content cloning service for creators and communities

Build AI chatbots that clone creators by ingesting their last 50+ Instagram reels, podcast transcripts, emails, and comm…

$5000-$20000/month
AdvancedOnlineUnder $500

Technical consulting and code audit service using O3

Use ChatGPT's O3 reasoning model to offer high-value technical services including code audits, technical documentation, …

$10000-50000/month
AdvancedOnlineUnder $500

Academic Research Paper Analysis Service

Use AI automation to process and analyze large volumes of academic research papers for researchers, pharma companies, or…

$3000-$10000/month
AdvancedOnlineUnder $500

White-label SaaS for medical clinics

White-label GoHighLevel and sell it as a patient engagement and marketing platform for medical clinics, modeled after 7F…

$50000-$500000/month
AdvancedOnlineUnder $500

Custom Vibe-Coded CRM Replacement

Use AI coding tools like Replit to build custom CRM solutions for companies overpaying for Salesforce. One person built …

$10000-$50000/month
AdvancedOnlineUnder $500

Content Creation YouTube and Podcast Business

Build a content business creating YouTube videos and podcasts teaching others about entrepreneurship and reselling. The …

$5000+/month
AdvancedOnlineUnder $500

MVP Development Shop

Offer to build minimum viable product software for entrepreneurs in 30 days or less for $5,000-$10,000. Target non-techn…

$200k-$3M/year
AdvancedOnlineUnder $500

SaaS Feature Gap Tool Builder

Scrape G2 reviews for major SaaS platforms like HubSpot to find negative sentiment about missing features. Build custom …

$5K-$30K/month
AdvancedHybridUnder $500

AI Consulting / Fractional AI Officer

Serve as a part-time or fractional Chief AI Officer for mid-size corporations that need AI strategy but cannot justify a…

$200K-$500K+/year with multiple clients
AdvancedHybridUnder $500

Produce Brokering & Roadside Stand Consulting

Teach others how to start and run roadside produce stands through one-on-one training or an online course. Charge a flat…

Course/consulting fees plus ongoing brokerage margins on produce
AdvancedHybridUnder $500

Dental Office Real Estate Locator

Help specialized medical practices like dental offices find and secure new commercial real estate locations. Because it …

$40,000 per deal
AdvancedOnlineUnder $500

AI-Automated Marketplace Arbitrage

Build an AI agent to automatically scour Facebook Marketplace and run hundreds of conversations a day to lowball sellers…

$5,000+/month
AdvancedHybridUnder $500

AI Web Design & Direct Mail Outreach

Scrape local businesses and use low-cost AI models to generate custom websites for them, then send a physical postcard w…

$8,000+/month
AdvancedHybridUnder $500

AI Marketplace Arbitrage

Set up an AI agent to constantly scan Facebook Marketplace and eBay to find price discrepancies on specific items like J…

Varies per flip
AdvancedOnlineUnder $500

Optimized Utility App Development

Develop a faster, higher-quality version of an existing everyday utility app, such as a QR code scanner, to capture mass…

$54,000,000 via acquisition
AdvancedHybridUnder $500

Sourdough Bread Stand

Specialize in sourdough loaves sold through a neighborhood stand and recurring pre-orders. Classic loaves sold for $12 a…

$5000+/month
AdvancedOnlineUnder $500

Authorized-User Tradeline Marketplace

Sell available authorized-user spots on long-standing credit cards through a tradeline marketplace. The speaker says a s…

$1,000+/month
AdvancedOnlineUnder $500

Capital Funding Consulting

Advise business owners on sequencing mortgages, promotional-rate business cards, vehicle loans, and bank relationships t…

$10,000+/month
AdvancedOnlineUnder $500

AI Agent Sales

Sell an AI agent itself to businesses rather than only using it internally. The transcript cites leads valued at $3,000,…

$3,000-$23,000 per lead
AdvancedOnlineUnder $500

Agent-to-Agent Automation Setup

Set up a workflow in which agents communicate with other agents while the operator only monitors the computers. The vide…

$5,000+/month
AdvancedHybridUnder $500

AI Department Retainer for Mid-Market Companies

Offer to become a company’s outsourced AI department, identifying and implementing AI opportunities rather than selling …

$10,000-$25,000/month per client
AdvancedOnlineUnder $500

AI Voice Agents for HVAC Companies

Sell AI voice agents to HVAC companies, an AI business one founder operated before forming the broader consulting firm. …

Not specified
AdvancedOnlineUnder $500

Custom AI Apps and Agents Hosting

Build and host custom AI apps or agents for businesses using Railway, which can host websites, custom applications, agen…

Not specified