How to Shop Secondhand Online: Tips for Resale Apps and Marketplaces

How to thrift online safely and smartly: using saved searches, checking measurements and seller ratings, avoiding scams, and knowing when to make an offer.
4 min read

The short answer: online thrifting works best when you search precisely, compare measurements instead of size labels, check seller ratings and return policies, and pay only through the platform’s built in checkout. Saved searches and alerts help you catch good listings early, and polite offers often lower the price.

Resale apps and online marketplaces put millions of secondhand items at your fingertips. You can search for an exact brand, size, and color without driving to five stores. The tradeoff is that you cannot touch the fabric or try things on, so a few habits make a big difference.

Know the Main Types of Platforms

  • Auction and fixed price marketplaces such as eBay, with a huge range of categories and sellers.
  • Peer to peer fashion apps such as Poshmark, Depop, and Mercari, where individuals list their own clothing and accessories.
  • Managed resale shops such as ThredUp, which inspect and photograph items before listing.
  • Local marketplaces such as Facebook Marketplace, best for furniture and bulky items you pick up in person.

Each works a little differently, so read the buyer protection and return policies before you purchase.

Search Like a Pro

  1. Use specific terms: brand, item type, fabric, and color, such as “wool camel coat” instead of “coat”.
  2. Try misspellings and alternate names. Listings with typos get fewer views and sometimes lower prices.
  3. Filter by size and condition to cut through noise.
  4. Save searches and turn on alerts so you see new listings first.
  5. Sort by newly listed to find fresh inventory before others do.

Compare Measurements, Not Size Tags

Sizing varies across brands and decades, especially with vintage. Measure a garment you already own that fits well, then compare it with the listing’s measurements for chest, waist, length, and inseam. If measurements are missing, ask the seller before you buy. This single habit prevents most online thrifting disappointments. For tips on judging older pieces, see how to spot vintage clothing.

Read Photos and Descriptions Carefully

  • Look for photos of labels, fabric content tags, and any flaws.
  • Zoom in on high wear areas like cuffs, collars, and underarms.
  • Ask for extra photos if something seems unclear.
  • Check whether the item comes from a smoke free or pet free home if that matters to you.

Check the Seller

Review seller ratings, recent feedback, and how long they have been active. Established sellers with detailed listings and good reviews are usually safer. For luxury items, use platforms that offer authentication, and learn the basics in our guide to finding designer clothes secondhand.

Avoid Common Scams

  • Pay through the platform. Buyer protection usually only applies to purchases made with the platform’s checkout.
  • Be cautious of requests to pay off platform with gift cards, wire transfers, or payment apps.
  • Watch for prices that are far too low on in demand items, especially luxury goods.
  • Meet in public places for local pickups, bring a friend when possible, and inspect items before paying.

Make Smart Offers

Many apps let you make offers or bundle items from the same seller for a discount and combined shipping. Offer a fair price, often a modest amount below asking, and be polite. Items that have been listed for a while are more likely to accept offers.

Factor in Shipping and Returns

A low price can look less attractive once shipping is added. Compare the total cost, and note whether returns are allowed. Many peer to peer sales are final unless the item was not as described.

Online vs In Store Thrifting

Online shopping is best for specific items, exact sizes, and brands. In person thrifting is better for bargains, trying things on, and surprise finds. Most savvy thrifters use both. For in store strategy, read our 15 thrift store secrets.

Frequently Asked Questions

Is online thrifting cheaper than thrift stores?

Usually not item for item, since sellers price for demand and shipping adds cost. It saves time and makes it easier to find specific pieces.

How do I avoid buying the wrong size online?

Compare listed measurements with a similar garment you own and ask sellers for measurements when they are missing.

What should I do if an item arrives not as described?

Contact the seller and open a case through the platform right away. Keep photos of the item and packaging.

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