Custom PC builds and parts online

Build and sell custom or refurbished computers from home through your own site and online marketplaces.

Customers browsing laptops and desktop computers displayed in a bright computer store.
Startup cost$1k to $5k
Monthly revenue$1k to $5k
Time needed10+ h/week
First incomeWeeks
  • $1k-5k
  • Side hustle
  • From home

Estimates for a small start in the US, not guarantees.

Official data

13,615 US businesses with employees in this field, -13.7% in a year

NAICS 443142 “Electronics stores”. Source: U.S. Census Bureau, County Business Patterns 2023.

What it is

A home-based computer seller that assembles custom PCs to order, sells refurbished machines and accessories online, and offers remote setup help.

Your first three steps

  1. Build a few PCs at different price points, photograph them and list them as examples
  2. Set up a simple online store and a seller account on a marketplace, and register with your state for a sales tax permit if needed
  3. Find reliable parts suppliers and agree how you will handle warranties and returns
Who pays

Gamers, students, home office workers and small businesses wanting a tailored machine without a big-brand price tag.

How it makes money

Margin on each build or refurbished sale, plus accessories and paid remote support or setup. You buy parts to order to limit stock risk.

Skills that help
  • PC building and troubleshooting
  • Online selling and product listings
  • Clear customer communication and basic bookkeeping
Watch out for
  • Check with your city or county whether you need a home occupation permit or general business license, and respect HOA or lease rules
  • Sales tax rules for online sales differ by state, so check where you must collect and remit
  • Cover returns, shipping damage and parts that arrive faulty
  • Product liability and general liability insurance are worth checking, as you are selling electrical goods
  • Price swings in components can squeeze your margin between quote and purchase
  • Check your state's rules for recycling or disposing of electronics if you take trade-ins

🔒 Full research report for US

Real cost breakdown with current prices, licences and registration checklist, local competition, pricing, break-even and a 30-day launch plan, with sources.

Coming soon

Questions people ask

How much does it cost to start a custom PC business from home?

Startup costs are typically around $1,000 to $5,000, depending on your tools, starting stock, website or marketplace setup and insurance. These are estimates. Component prices can swing between quote and purchase, which can squeeze your margin.

How much can I earn selling custom PCs online?

Monthly revenue is typically around $1,000 to $5,000, depending on how many builds and refurbished machines you sell and your prices. These are estimates that assume roughly 10 hours a week or more, before parts, shipping and returns.

What rules should I check before selling PCs from home?

Check with your city or county whether you need a home occupation permit or general business license, and respect HOA or lease rules. Sales tax rules for online sales differ by state, so check where you must collect and remit.

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