Reselling & Flipping

How to Start a Reselling Side Hustle

How to start a reselling side hustle: picking a niche, sourcing stock cheaply, pricing, listing, shipping, tracking profit, taxes and scaling up.

Organised shelves of secondhand items with labelled bins in a home storage room
Illustration: Online Buying & Selling / AI-generated.

Key takeaways

  • Start with a niche you know and a small budget, reinvesting profits.
  • Track every cost, sale and hour so you know your real profit.
  • Check tax rules once reselling becomes a regular business.
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Reselling turns bargain-hunting into income: buy low, sell higher. Plenty of people start with a weekend hobby and grow it into a serious side business. Here’s a simple plan.

1. Pick a niche you know

Knowledge is your edge. Sneakers, games, vintage clothing, tools, books or kitchenware: choose something you can judge quickly for quality and value. Our list of the best things to flip has ideas.

2. Start small

Set a starting budget you’re comfortable losing. Reinvest profits rather than spending them early.

3. Source smart

Thrift stores, garage and estate sales, clearance aisles and bulk online lots are common sources. Learn discount days and get there early.

4. Price with data

Check sold listings before you buy. Our guide to pricing used items shows how.

5. List well

Clear photos, searchable titles and honest descriptions; see product photos with a phone.

6. Ship efficiently

Keep a packing station and compare carriers; see the cheapest shipping options.

7. Track your numbers

TrackWhy
Cost of each itemTrue profit per sale
Fees and shippingHidden costs add up
Time spentProfit per hour
Sell-through rateWhich items move

A simple spreadsheet is enough to start.

8. Taxes and rules

Once reselling becomes regular and profit-driven, it may be taxable business income. Keep records and check your country’s rules.

9. Scale sustainably

Batch tasks (sourcing, photographing, listing, shipping), organise inventory with labels and bins, and consider cross-listing on more than one platform; see Etsy vs eBay vs Facebook Marketplace.

Frequently asked questions

How much money do I need to start reselling?

You can start with a very small budget by selling items you already own, then reinvest.

Reselling legitimately purchased items is generally legal, but never sell counterfeits or recalled products.

How much can you make reselling?

It varies widely, from pocket money to full-time income, depending on time, niche and skill.

Sources

  1. US IRS — hobby or business?
  2. UK HMRC — selling online

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