15 Low-Cost Startup Ideas Under $100 (2026)

Business ideas you can start with less than $100. Perfect for solopreneurs who want to test ideas without big investment.

1. Freelance Service Business

Low$3K-$30K/mo

Start offering a skill you already have — writing, design, development, marketing. All you need is a laptop and internet.

Real example: Thousands of solopreneurs started freelancing and grew to $10K+/mo within 6 months.

2. Newsletter Business

Low$1K-$100K/mo

Start a free newsletter on Substack or Beehiiv. Monetize with sponsorships once you hit 1,000+ subscribers.

Real example: Many successful newsletters started free. The Hustle began with $0 and sold for $27M.

3. Social Media Management

Low$3K-$20K/mo

Manage social media accounts for small businesses. Use free scheduling tools to start. Charge $500-$2000/client.

Real example: Social media managers with 5-10 clients easily hit $10K+/mo. Low barrier to entry.

4. Notion Template Store

Low$1K-$50K/mo

Create and sell Notion templates on Gumroad or your own site. Design cost is $0 — just your time and creativity.

Real example: Easlo makes $30K+/mo selling Notion templates. Thomas Frank does $80K+/mo.

5. Online Tutoring

Low$3K-$20K/mo

Teach a subject you're knowledgeable about. Use Zoom and a landing page. No physical space needed.

Real example: Online tutors charge $50-$200/hour. With 5 hours/day, that's $5K-$20K/mo.

6. Content Writing Agency

Low$3K-$25K/mo

Start writing blog posts and web copy for businesses. Use AI tools to increase output. Scale with contractors.

Real example: Content writers charging $0.10-$0.50/word can earn $10K+/mo with consistent clients.

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