Online store for metal fittings and hardware

Sell a focused range of metal fittings, fasteners or tools online to DIYers and small trades.

Startup cost$1.5k to $7.5k
Monthly revenue$600 to $3k
Time needed10+ h/week
First incomeWeeks
  • $1.5k-7.5k
  • Side hustle
  • Online

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

Official data

5,967 US businesses with employees in this field, +1.1% in a year

NAICS 423710 “Hardware merchant wholesalers”. Source: U.S. Census Bureau, County Business Patterns 2023.

What it is

A web store (your own site or a marketplace such as Amazon or eBay) selling a narrow range of metal goods, for example stainless fasteners, brackets, pipe fittings or specialty hand tools. You hold a small stock at home or use a supplier who ships for you.

Your first three steps

  1. Pick a narrow niche (for example marine stainless hardware) and compare prices from three or more wholesale suppliers
  2. Get a state resale certificate, set up your business as an LLC or sole proprietorship, and open a marketplace or Shopify store
  3. List your first 30 to 50 products with clear size and grade details, and test a few orders before adding more stock
Who pays

DIY homeowners, hobbyists, boat and RV owners, small contractors and workshops that want a specific part without driving to a big store.

How it makes money

You buy at wholesale and sell at a markup. Bundles, multi-packs and hard-to-find sizes usually earn better margins than single common items.

Skills that help
  • Product knowledge of metals, sizes and grades
  • Basic online selling and photos
  • Organized stock and order handling
  • Clear customer service
Watch out for
  • Check your state's rules on sales tax registration and resale certificates, including tax on out-of-state sales
  • Product liability and general liability insurance, especially for load-bearing items like hooks, bolts and fittings
  • Make sure grades and ratings (e.g. stainless type, load ratings) are labeled correctly, and buy from reputable suppliers to avoid counterfeit stock
  • Heavy items cost a lot to ship, so check your shipping costs before setting prices
  • Check whether your city or HOA allows home storage of inventory and package pickups

Deep research report · US

Everything you need to start: online store for metal fittings and hardware

Researched with live web search for United States: real startup prices, the licences and rules, what others charge, a break-even example, how to find your first customers and a 30-day launch plan. With sources.

  • Startup costs with real prices
  • Licences, registration and rules
  • Pricing: what others charge
  • Break-even example
  • Finding your first customers
  • 30-day launch plan
  • Risks and how to reduce them
Ready in about 2 minutes · one-off payment, tax included

See a full sample report

Questions people ask

How much does it cost to start an online hardware store?

Startup costs are typically around $1,500 to $7,500, depending on the range you stock, your store setup and whether a supplier ships for you. These are estimates, so check your own costs before buying stock.

How much can an online metal fittings store earn?

Monthly revenue is typically around $600 to $3,000, depending on your product range, pricing and how many buyers you reach. The estimate assumes at least about 10 hours of work per week. Shipping costs on heavy items can affect margins.

What should I check before selling metal fittings online?

Check your state's sales tax registration, resale certificates and tax on out-of-state sales. Look into product liability insurance, especially for load-bearing items. Label grades and ratings correctly, buy from reputable suppliers, and check whether your city or HOA allows home storage.

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