Best Part-Time Side Business Ideas

A good side business fits into evenings and weekends, earns real money without demanding a full-time schedule, and can grow if you want it to. These genuinely work around a job.

24 honest picks · Reviewed July 2026 · Every pick links to a full breakdown

The best side business is one you can actually sustain alongside your real life. That rules out anything needing daytime availability or 40 hours a week to be viable. The businesses here are chosen because they are genuinely workable in roughly 5–20 hours a week.

A side business is also the lowest-risk way to test whether you want to run something full-time. You keep your income while you learn the work, build a base, and decide — with real data — whether to scale up.

  1. Startup cost Free – $2,500
    Realistic earnings $0 – $4,000 / mo
    First income 2 to 6 months
    Difficulty Intermediate

    Why it made the list: About 10+ hrs/week to be viable

    Read the full breakdown →
  2. Data Entry Business

    Online
    Startup cost Free – $500
    Realistic earnings $200 – $2,500 / mo
    First income 1 to 4 weeks
    Difficulty Beginner

    Why it made the list: About 5+ hrs/week to be viable

    Read the full breakdown →
  3. Startup cost Free – $1,500
    Realistic earnings $0 – $5,000 / mo
    First income 4 to 12 months
    Difficulty Intermediate

    Why it made the list: About 8+ hrs/week to be viable

    Read the full breakdown →
  4. Startup cost Free – $1,500
    Realistic earnings $500 – $8,000 / mo
    First income 3 to 8 weeks
    Difficulty Intermediate

    Why it made the list: About 10+ hrs/week to be viable

    Read the full breakdown →
  5. Startup cost Free – $3,000
    Realistic earnings $500 – $7,000 / mo
    First income 3 to 8 weeks
    Difficulty Intermediate

    Why it made the list: About 10+ hrs/week to be viable

    Read the full breakdown →
  6. Startup cost Free – $1,500
    Realistic earnings $500 – $8,000 / mo
    First income 3 to 8 weeks
    Difficulty Intermediate

    Why it made the list: About 10+ hrs/week to be viable

    Read the full breakdown →
  7. Startup cost Free – $6,000
    Realistic earnings $0 – $3,000 / mo
    First income 3 to 9 months
    Difficulty Intermediate

    Why it made the list: About 8+ hrs/week to be viable

    Read the full breakdown →
  8. YouTube Channel Business

    Creative
    Startup cost Free – $3,000
    Realistic earnings $0 – $7,000 / mo
    First income 6 to 18 months
    Difficulty Intermediate

    Why it made the list: About 10+ hrs/week to be viable

    Read the full breakdown →
  9. Startup cost $50 – $800
    Realistic earnings $0 – $4,500 / mo
    First income 2 to 6 weeks
    Difficulty Beginner

    Why it made the list: About 5+ hrs/week to be viable

    Read the full breakdown →
  10. Startup cost $50 – $1,500
    Realistic earnings $0 – $4,000 / mo
    First income 1 to 6 months
    Difficulty Intermediate

    Why it made the list: About 10+ hrs/week to be viable

    Read the full breakdown →
  11. Startup cost $50 – $1,000
    Realistic earnings $400 – $4,500 / mo
    First income 3 to 8 weeks
    Difficulty Beginner

    Why it made the list: About 6+ hrs/week to be viable

    Read the full breakdown →
  12. Startup cost $50 – $600
    Realistic earnings $0 – $4,000 / mo
    First income 1 to 3 weeks
    Difficulty Beginner

    Why it made the list: About 5+ hrs/week to be viable

    Read the full breakdown →
  13. Startup cost $50 – $1,200
    Realistic earnings $500 – $8,000 / mo
    First income 2 to 6 weeks
    Difficulty Intermediate

    Why it made the list: About 8+ hrs/week to be viable

    Read the full breakdown →
  14. Startup cost $100 – $3,000
    Realistic earnings $0 – $6,000 / mo
    First income 4 to 12 months
    Difficulty Intermediate

    Why it made the list: About 10+ hrs/week to be viable

    Read the full breakdown →
  15. Startup cost $100 – $3,000
    Realistic earnings $0 – $5,000 / mo
    First income 6 to 18 months
    Difficulty Intermediate

    Why it made the list: About 15+ hrs/week to be viable

    Read the full breakdown →
  16. Startup cost $100 – $1,500
    Realistic earnings $0 – $5,000 / mo
    First income 2 to 6 weeks
    Difficulty Intermediate

    Why it made the list: About 5+ hrs/week to be viable

    Read the full breakdown →
  17. Startup cost $100 – $1,500
    Realistic earnings $500 – $5,000 / mo
    First income 1 to 2 weeks
    Difficulty Beginner

    Why it made the list: About 5+ hrs/week to be viable

    Read the full breakdown →
  18. Startup cost $100 – $2,500
    Realistic earnings $0 – $3,500 / mo
    First income 2 weeks to 3 months
    Difficulty Beginner

    Why it made the list: About 8+ hrs/week to be viable

    Read the full breakdown →
  19. Ghostwriting Business

    Creative
    Startup cost $100 – $1,500
    Realistic earnings $2,000 – $15,000 / mo
    First income 1 to 3 months
    Difficulty Intermediate

    Why it made the list: About 15+ hrs/week to be viable

    Read the full breakdown →
  20. House Sitting Business

    Services
    Startup cost $100 – $1,500
    Realistic earnings $400 – $3,500 / mo
    First income 1 to 3 weeks
    Difficulty Beginner

    Why it made the list: About 5+ hrs/week to be viable

    Read the full breakdown →
  21. Startup cost $100 – $3,500
    Realistic earnings $800 – $7,000 / mo
    First income 2 to 4 months
    Difficulty Intermediate

    Why it made the list: About 12+ hrs/week to be viable

    Read the full breakdown →
  22. Startup cost $100 – $2,500
    Realistic earnings $0 – $6,000 / mo
    First income 6 to 18 months
    Difficulty Intermediate

    Why it made the list: About 10+ hrs/week to be viable

    Read the full breakdown →
  23. Online Course Business

    Education
    Startup cost $100 – $5,000
    Realistic earnings $0 – $7,000 / mo
    First income 2 to 9 months
    Difficulty Intermediate

    Why it made the list: About 12+ hrs/week to be viable

    Read the full breakdown →
  24. Startup cost $100 – $1,200
    Realistic earnings $300 – $4,000 / mo
    First income 2 to 6 weeks
    Difficulty Beginner

    Why it made the list: About 6+ hrs/week to be viable

    Read the full breakdown →

The trap with side businesses is under-pricing because "it is just a side thing." Charge properly from the start — your time is worth the same in the evening as it is during the day.

Each page notes whether the business can grow to full-time and what that would take, so you can pick one with the ceiling you want.

Common questions

What is the best side business to start?

The best one fits your schedule and skills. Weekend service work (cleaning, detailing, lawn care), online freelancing, and reselling are popular because they flex around a job and start cheaply. Use the hours-per-week note and earnings range on each page to find your fit.

How many hours a week does a side business take?

Most of these are viable in roughly 5–20 hours a week, though the first income takes longer than the ongoing rhythm. Each business page lists a realistic minimum weekly hours to make it work, so you can match it to the time you actually have.

Can a side business become full-time?

Many can. The honest path is to grow it on the side until the income and demand justify the leap, then transition deliberately rather than quitting on hope. Every breakdown includes a "how it scales" section covering exactly this.

Not sure which of these fits you?

Answer a few honest questions and we'll match you to the businesses that fit your real budget, time, and skills.

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These are honest editorial picks based on publicly reported data — not guarantees or financial advice, and not ranked by any paid placement. Individual results vary. See our disclaimer and how we research businesses.