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  1. Marketing Against The Grain
  2. Side Hustle King: 3 High Demand AI Businesses I'd Start TODAY
Side Hustle King: 3 High Demand AI Businesses I'd Start TODAY

Side Hustle King: 3 High Demand AI Businesses I'd Start TODAY

Marketing Against The Grain · Jul 21, 2026

Learn to spot business ideas before they go viral. Serial entrepreneur Chris Kerner shares 3 high-demand AI businesses you can start today.

Reselling for Brands with Cult Followings but No E-commerce Creates a Ready Market

The success of reselling Buc-ee's snacks highlights a powerful model: find a beloved brand with high regional demand but no online store. By building an unofficial e-commerce front, you serve a passionate, built-in customer base that has no other way to purchase online, effectively becoming their outsourced e-commerce arm.

Side Hustle King: 3 High Demand AI Businesses I'd Start TODAY thumbnail

Side Hustle King: 3 High Demand AI Businesses I'd Start TODAY

Marketing Against The Grain·2 days ago

Treat Business Opportunity Spotting as a Muscle Built by Immediate, Deep Analysis

Don't just observe a successful business; actively deconstruct it. When you see a line for a taco shop, immediately calculate potential revenue, research rent costs, and estimate margins. This habit of taking immediate analytical action on real-world observations turns passive curiosity into a powerful pattern-matching skill for identifying new ventures.

Side Hustle King: 3 High Demand AI Businesses I'd Start TODAY thumbnail

Side Hustle King: 3 High Demand AI Businesses I'd Start TODAY

Marketing Against The Grain·2 days ago

Validate Business Ideas Using Social Media Comments and Google Trends Data

Go beyond viral views, which can be misleading. Analyze social media comments for words like "genius" to find genuine user validation. Then, cross-reference the idea on Google Trends (and YouTube Trends) to confirm if search interest is growing, ensuring you're entering a market with momentum rather than a fleeting trend.

Side Hustle King: 3 High Demand AI Businesses I'd Start TODAY thumbnail

Side Hustle King: 3 High Demand AI Businesses I'd Start TODAY

Marketing Against The Grain·2 days ago

AI Enables Scalable Lead Generation by Creating Hyper-Local Websites for Niche Services

Combine geography (e.g., Tacoma, Washington) with a niche service (e.g., pressure washing) to find underserved markets. Use AI to quickly build simple, SEO-optimized websites on exact-match domains. This "website landlord" model allows you to generate leads organically at scale, which you can then sell to local businesses, creating a portfolio of digital assets.

Side Hustle King: 3 High Demand AI Businesses I'd Start TODAY thumbnail

Side Hustle King: 3 High Demand AI Businesses I'd Start TODAY

Marketing Against The Grain·2 days ago

Sell AI Voice Agents to Local Businesses by Demonstrating the Tech in Your Outreach

AI voice agents are mature enough to handle calls for SMBs like plumbers. To sell this service, have prospects interact with the agent directly. This provides an immediate "light bulb moment" for non-technical business owners, overcoming their skepticism by showcasing the value and effectiveness firsthand, rather than just describing it.

Side Hustle King: 3 High Demand AI Businesses I'd Start TODAY thumbnail

Side Hustle King: 3 High Demand AI Businesses I'd Start TODAY

Marketing Against The Grain·2 days ago

Use Paid AI Audits as a Foot-in-the-Door Strategy for High-Ticket Implementation Services

Instead of pitching complex AI solutions upfront, offer a low-cost, paid "AI audit." Record a conversation with a business owner, use an LLM to analyze problems and suggest AI solutions, and present it as a PDF. This paid deliverable establishes credibility and serves as a trojan horse to upsell more lucrative implementation services.

Side Hustle King: 3 High Demand AI Businesses I'd Start TODAY thumbnail

Side Hustle King: 3 High Demand AI Businesses I'd Start TODAY

Marketing Against The Grain·2 days ago

Sell AI Services by Calculating ROI Using the Client's Own Business Metrics

Frame the value of an AI solution, like a voice agent, in terms of revenue lost or saved. Ask the client directly: How many calls do you miss? What's your average job size? Then, walk them through the math to show how a $500/month service prevents thousands in lost revenue. Using their own data makes the purchase a "no-brainer."

Side Hustle King: 3 High Demand AI Businesses I'd Start TODAY thumbnail

Side Hustle King: 3 High Demand AI Businesses I'd Start TODAY

Marketing Against The Grain·2 days ago

Target Undigitized B2B Niches like Asbestos Surveying with Modern AI Software

Massive opportunities exist in boring, non-tech industries (e.g., drain surveys, asbestos inspection) that still rely on antiquated software. These verticals are often ignored by modern marketers and developers. Building a simple, AI-powered tool for them is a "blue ocean" strategy, as they are underserved in both product and marketing attention.

Side Hustle King: 3 High Demand AI Businesses I'd Start TODAY thumbnail

Side Hustle King: 3 High Demand AI Businesses I'd Start TODAY

Marketing Against The Grain·2 days ago