AdvancedUnder $5K

76 Business Ideas for Experienced Entrepreneurs (Under $5K)

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

Explore all 2,632 ideas with filters

All 76 ideas

AdvancedHybridUnder $5K

AI Audit and Savings Agency for Corporations

Target large corporations and audit their processes to find inefficiencies that can be automated with AI. Pitch in-perso…

$50k-200k/month
AdvancedOnlineUnder $5K

Touchless Rental SaaS for Vacation Destinations

Build a SaaS product that enables self-service/touchless rentals for vacation rental businesses (paddle boards, kayaks, …

$5k-20k/month
AdvancedOnlineUnder $5K

White-Label Vibe Coding Service for Niches

White-label a vibe coding platform like Lovable or Replit and market it to a specific niche (e.g., video game design, fa…

$5k-30k/month
AdvancedOnlineUnder $5K

AI Ad Generation SaaS for Agencies

Build a wrapper tool (e.g., using Replit) around the OpenAI image generation API branded specifically for ad agencies. S…

$10k-100k/month
AdvancedOnlineUnder $5K

AI Ad Variant Generator SaaS for Agencies

Build a wrapper tool using the OpenAI image generation API (via Replit or similar) that allows ad agencies to generate m…

$10000-$100000/month
AdvancedOnlineUnder $5K

Remote CPA Firm for Small Businesses

Build a remote CPA firm targeting small business entrepreneurs, offering tax preparation and accounting advisory service…

$5000-$30000/month
AdvancedOnlineUnder $5K

Corporate Email List Monetization Agency

Approach businesses with large existing email databases (e-commerce stores, service companies) and convert their promoti…

$10,000-$60,000/month
AdvancedOnlineUnder $5K

White-Label AI Travel Service for Influencers

A B2B service targeting travel influencers who already sell $200-$300 custom travel plans to their followers. You build …

$20000-$50000/month
AdvancedOnlineUnder $5K

AI Agent Industry Sentiment Data Business

Use AI voice agents to call thousands of businesses in a niche industry (lawyers, convenience stores, nail salons) and c…

$10000-$100000/month
AdvancedHybridUnder $5K

Shelf Installer Network and Franchise Model

Build a brand around a niche product (like garage shelves), then create a network of licensed installers across differen…

$5000-15000/month
AdvancedOnlineUnder $5K

YouTube Trick Shot / Stunt Channel

Create a YouTube channel focused on viral trick shot or stunt content, similar to Dude Perfect. Build an audience throug…

$5000-$1000000/month
AdvancedOnlineUnder $5K

Home Service Lead Generation with Programmatic SEO

Build websites using programmatic SEO to generate and sell leads to home service businesses across multiple markets. The…

$5000-$25000/month
AdvancedOnlineUnder $5K

Voice AI Customer Support Service

Build and sell voice AI customer support agents to businesses using Google's Live API. These agents can handle inbound c…

$5000-$25000/month
AdvancedOnlineUnder $5K

Virtual Try-On / AI Mood Boarding for Clothing Brands

Build an AI-powered virtual try-on or mood board tool for fashion and clothing brands using Gemini's image generation an…

$3000-$20000/month
AdvancedOnlineUnder $5K

Programmatic SEO agency selling to mid-large companies

Build programmatic SEO websites branded for specific large service companies (plumbing, HVAC, etc.), then approach those…

$10000-100000/month
AdvancedOnlineUnder $5K

Journal-to-LLM conversion service

Offer a service that scans and digitizes people's physical journals, transcribes the handwritten content, and turns it i…

$3000-$20000/month
AdvancedOnlineUnder $5K

AI-powered lead generation agent using social media image recognition

Build an AI agent that scrapes social media platforms using image recognition to detect high-intent buying signals (e.g.…

$5000-$50000/month
AdvancedOnlineUnder $5K

AI agent marketplace for niche use cases

Build and sell specialized AI agents for very specific use cases, similar to how the App Store created opportunity for n…

$3000-$30000/month
AdvancedOnlineUnder $5K

AI-powered YouTube and Shopify success reverse-engineering tool

Build a SaaS tool or AI agent that monitors social media for people posting YouTube play buttons or Shopify milestone pl…

$5000-$30000/month
AdvancedOnlineUnder $5K

AI business partner app

Create a mobile app that acts as a personal AI business advisor, trained on a creator's or expert's entire content libra…

$10000-$100000/month
AdvancedOnlineUnder $5K

AI avatar ad creative agency for local businesses

Build a system to produce realistic AI-generated video ads at scale using ChatGPT for image generation, Photoshop for fr…

$5000-20000/month
AdvancedOnlineUnder $5K

AI-powered Facebook ad video production at scale

Use a multi-tool AI stack (ChatGPT for images, Photoshop generative expand, face swapping, ElevenLabs voice cloning, Hey…

$10000-50000/month
AdvancedOnlineUnder $5K

Digital product funnel as a customer acquisition tool for service businesses

Use a low-cost digital product ($30-$79 guide or template) as a top-of-funnel lead magnet that you sell at break-even th…

$10000-$100000/month
AdvancedOnlineUnder $5K

TAM validation service for business buyers and searchers

Offer a service to search fund operators and private equity buyers that tests market demand before they acquire a busine…

$10000-$50000/month
AdvancedOnlineUnder $5K

Direct-to-consumer e-commerce brand via Shopify and Facebook Ads

Launch a product-based e-commerce brand on Shopify and drive all customer acquisition through Meta (Facebook/Instagram) …

$10000-$100000/month
AdvancedOnlineUnder $5K

Crypto altcoin analysis algorithm and paid community

Develop an algorithm that measures social media hype (Twitter, Reddit mentions) against market cap for crypto altcoins t…

$5000-$50000/month
AdvancedOnlineUnder $5K

Comedy-driven ad creative production for DTC brands

Find or develop comedic talent and produce funny video ads for direct-to-consumer brands. Comedy ads drive massive organ…

$5000-$50000/month
AdvancedHybridUnder $5K

Private AI model implementation for enterprises (GPT OSS)

Implement open-source ChatGPT models locally on company servers so businesses get AI capabilities without sending data t…

$20000-100000/month
AdvancedOnlineUnder $5K

Automated AI ad production pipeline

Build an advanced automated workflow using tools like Zapier, Make.com, or Gumloop that scrapes successful ads from the …

$10000-100000/month
AdvancedOnlineUnder $5K

Medical Billing Code Discovery Service

Build an AI workflow that scans medical records and clinical documentation to identify missed or under-coded billing cod…

$5000-$20000/month
AdvancedOnlineUnder $5K

AI Engineering Talent Identification Tool

Build an automated code review bot that analyzes pull requests and code contributions across a company's repositories to…

$3000-$10000/month
AdvancedOnlineUnder $5K

White-label SaaS via franchise partnerships

Instead of acquiring customers one by one, partner with a franchise brand to become their official CRM and marketing pla…

$100000-$1000000/month
AdvancedHybridUnder $5K

Construction consulting business

Offer consulting services for construction projects, helping owners navigate the building process. Nick Huber runs Bolt …

$10000-$50000/month
AdvancedOnlineUnder $5K

GoHighLevel Implementation and Migration Consulting Agency

Start a third-party consulting company that specializes in migrating businesses from expensive platforms like HubSpot ($…

$10000+/month
AdvancedHybridUnder $5K

Real Estate Wholesaling via Scraping and Cold Texting

Scrape Zillow daily for FSBO (For Sale By Owner) listings, obtain phone numbers, and bulk text lowball offers at 40% bel…

$10000+/month
AdvancedOnlineUnder $5K

AI-Powered Subscription Cancellation Service

Build an AI-powered service that calls companies like Comcast, AT&T, and credit card companies to negotiate lower bills …

$10000+/month
AdvancedOnlineUnder $5K

New Platform Early Adopter Agency

Identify and become the first agency specializing in advertising on newly launched social platforms. Brandon's agency wa…

$20000+/month
AdvancedOnlineUnder $5K

Home Service Training Academy

Create an online course and coaching program teaching people how to start and run home service businesses (cleaning, win…

$50000+/month
AdvancedOnlineUnder $5K

Backend Ascension Consulting for Course Creators

Help high-ticket course sellers and coaching businesses build backend systems to extend customer lifetime value. Most in…

$15000+/month
AdvancedOnlineUnder $5K

Tech Stack Optimizer with Affiliate Links

A programmatic SEO website that scrapes company tech stacks from BuiltWith and creates pages showing what tools companie…

$50000+/month
AdvancedOnlineUnder $5K

Mass Cold Email Agency for E-Commerce UGC/Affiliate Programs

A mass-scale cold email agency that helps e-commerce brands recruit micro-influencers for UGC (user generated content) a…

$20000+/month
AdvancedOnlineUnder $5K

Website Change Monitoring Service

Use distill.io's website change detection technology to build niche monitoring services for specific industries. The cor…

$2000+/month
AdvancedOnlineUnder $5K

Viral Airdrop Referral Marketing Engine

Build a custom viral referral marketing system for token distribution where users earn free tokens by completing engagem…

$5000+/month
AdvancedOnlineUnder $5K

Email Response Time SaaS (Better Inbox)

A SaaS app or Chrome extension that tracks how long it takes you or your employees to respond to emails, providing simpl…

$2000+/month
AdvancedOnlineUnder $5K

Entrepreneurship Mentorship Cohorts (Co-Founders Program)

Run 30-day cohorts of 3 college students, meeting twice per week via Zoom, giving them business ideas and mentoring them…

$5000+/month
AdvancedOnlineUnder $5K

Dedicated AI Assistant SaaS

Host AI personal assistants on your own servers and sell access as a subscription SaaS product to professionals like rea…

$10000+/month
AdvancedOnlineUnder $5K

AI Family History Chatbot Service

Digitize elderly people's handwritten journals and recorded stories using OCR tools (Google Cloud Vision, Amazon Textrac…

$3000+/month
AdvancedOnlineUnder $5K

Niche Industry Podcast Network (Agora for Podcasts)

Create an 'All-In Podcast' format for niche industries by finding the top 4-5 people in each industry and producing comp…

$10000+/month
AdvancedOnlineUnder $5K

White-Labeled Local AI Newsletter Syndication Network

Create a parent company that produces weekly AI newsletter content targeted at local business owners, then syndicate/whi…

$10000-50000/month
AdvancedHybridUnder $5K

Acquiring Distressed Businesses with No Money Down

Identify and acquire underperforming or distressed businesses using seller financing and government grants rather than y…

$100K-$10M+ depending on the size and type of businesses acquired
AdvancedOnlineUnder $5K

Personal AI Assistant Creation Service

Offer a service that creates personalized AI digital assistants for individuals. Record a person's conversations and int…

$50K-$1M+/year depending on pricing model and customer acquisitio
AdvancedOnlineUnder $5K

AI Voice Agent for Sales and Fundraising

Build or deploy AI voice agents that handle outbound sales calls, fundraising, networking, and business development conv…

$100K-$5M+/year as a SaaS or service offering
AdvancedOnlineUnder $5K

White-Labeled AI App Builder for Non-Technical Users

White-label Replit or similar AI coding platforms to sell customizable software to non-technical users. Offer a base pro…

$5000-$20000/month
AdvancedOnlineUnder $5K

SEO Bot / AI SEO Agent

An autonomous AI agent that handles all SEO work on autopilot - writing articles, how-to guides, building mini tools for…

$1M+ ARR demonstrated; $110K/month reported
AdvancedOnlineUnder $5K

AI Vibe Coding Tool (like Rapify)

Build a vibe coding tool that lets users create small web tools and apps through AI prompts. Can be used standalone or i…

Part of a $3M/year portfolio
AdvancedOnlineUnder $5K

AI-Powered Landing Page / Website Builder for Startups

A website builder optimized for landing pages with good SEO (like Unicorn Platform). Use it to quickly create waitlist p…

$10K-$100K+/month
AdvancedOnlineUnder $5K

Portfolio of Small SaaS Tools with Cross-Selling

Build 10-24 small SaaS tools that serve the same audience, cross-sell between them. Half of new users come from one tool…

$3M/year ARR demonstrated across 24 products
AdvancedHybridUnder $5K

Tax Fraud Whistleblower Service

A business built around the IRS whistleblower program that pays 30% of recovered taxes when you report tax fraud with su…

Highly variable - 30% of recovered tax amounts which could be $50
AdvancedHybridUnder $5K

Regulatory Compliance Enforcement Agency

An agency that monitors competitors on behalf of larger companies to identify violations of new regulations like the FCC…

$100K-$500K/year depending on contracts and engagements
AdvancedHybridUnder $5K

Corporate Competitive Intelligence Agency

A consulting business that attends trade shows, conferences, and industry events undercover to gather competitive intell…

$200K-$1M+ per year for established operators with enterprise cli
AdvancedOnlineUnder $5K

Expat Tax Consulting for Americans Abroad

Provide niche tax consulting for Americans relocating to Japan or Singapore. Find customers through Facebook expat group…

$5K-$20K/month depending on client base and AUM
AdvancedOnlineUnder $5K

AI Landscaping Design Visualization App

Build a consumer-facing app where homeowners upload a photo of their home, enter location, budget, and style preferences…

$5K-$30K/month
AdvancedOnlineUnder $5K

Luxury Fashion Reselling from Japanese Auction Houses

Buy luxury products and fashion items from Japanese auction houses at below-market prices and resell them online or loca…

$5,000-$20,000/month
AdvancedOnlineUnder $5K

AI-Assisted Options Trading

Use AI models like ChatGPT, Grok, and Gemini to analyze market conditions and recommend short-term options trades on liq…

Highly variable - demonstrated 17.69% daily return but extremely
AdvancedOnlineUnder $5K

Remote Employee Productivity Tracking via AI Pendant

Sell or distribute AI recording pendants to companies with remote employees. Use AI to analyze conversation data, track …

$5K-$20K/month from enterprise clients
AdvancedOnlineUnder $5K

SaaS Business

Mentioned as one of several startup ideas to test while still employed. Build a software-as-a-service product. Recommend…

$10K-$1M+/year
AdvancedHybridUnder $5K

Financial Planning via Cold Email to Niche Audiences

Use cold email to build a financial planning or advisory practice targeting a specific underserved niche like teachers, …

$10K-$50K/month from advisory fees and AUM
AdvancedOnlineUnder $5K

AI-Powered Social Media Daily Digest Service

Build an automated service that scrapes tweets/posts from accounts a user follows, filters by engagement (e.g., 50K+ imp…

$10K-$500K/year via subscriptions
AdvancedOnlineUnder $5K

AI Setter / AI Outbound Calling Service

Build AI-powered phone agents that handle initial outbound calls and appointment setting for businesses like real estate…

$100k-$500k/year
AdvancedOnlineUnder $5K

Copywriting Course / Community Business

Create and sell an online copywriting course with a community component where members submit their sales copy, emails, a…

$10000-$50000/month
AdvancedHybridUnder $5K

Twice Used (Recycled iPhone Glass Products)

Upcycling broken iPhone screens and glass into clocks, coasters, and coffee tables. Launched as a Kickstarter project tu…

Failed to raise $8,000 on Kickstarter, but concept could work wit
AdvancedOnlineUnder $5K

AI-Powered Earnings Call Preparation Pipeline

Build an AI pipeline that helps publicly traded companies prepare for quarterly earnings calls by analyzing historical t…

$200K-$1M/year targeting Fortune 500 companies
AdvancedOnlineUnder $5K

AI Content Detection Browser Plugin

A browser plugin that passively monitors everything you view online and flags content that is likely AI-generated, inclu…

$20-30/month per subscriber, scalable to millions of users
AdvancedOnlineUnder $5K

Pay-Per-Lead Business for Service Providers

Generate leads via Facebook ads or content and sell them to service providers (lawyers, contractors, etc.) on a pay-per-…

$10K-$50K+/month
AdvancedHybridUnder $5K

B2B Cold Caking Agency

A B2B corporate gifting service that uses 'cold caking' to help enterprise sales teams cut through digital noise and boo…

$120,000/month
AdvancedOnlineUnder $5K

AI-First Design & Development Agency

An agency that leverages AI tools like Claude to rapidly build, host, and distribute full software products for non-tech…

$10,000 - $20,000/month per client