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Selling scams to avoid

Most buyers are genuine, but a few scams come up again and again on Facebook Marketplace, OfferUp and the selling apps. Here’s how to spot them.

Updated Oct 19, 2026

Quick answer: only hand over an item once the money is in your account, not just in an email or a screenshot. Keep payment and messages inside the app. Never send money, codes or “fees” to a buyer.

Fake payment emails

The scammer sends an email that looks like it’s from Zelle, Venmo, PayPal or Cash App, saying the payment is “pending” until you upgrade to a business account, pay a fee or click a link. These emails are fake: none of these apps hold a payment until you pay something. Open the app yourself and check your balance. Never pay to “release” money.

Overpayment and “refund the difference”

A buyer “accidentally” sends too much and asks you to send the extra back. The original payment is fake or later reversed, and you lose what you sent. Never refund an overpayment; cancel the sale instead.

“Let’s talk by text” or “pay me outside the app”

On Poshmark, eBay, Mercari and Depop, you’re only protected if the sale and payment go through the platform. A buyer who wants to move to text messages, email or WhatsApp, or to pay by Zelle or PayPal Friends and Family, is usually trying to get round that protection.

Verification codes

A “buyer” asks you to read out a code sent to your phone “to prove you’re real”. That code lets them set up a Google Voice number or take over an account in your name. Never share a code sent to you.

Shipping scams

The buyer says they’ll send their own courier or a prepaid label, often to an address abroad, and asks you to pay a fee through a link. The link is fake. On the apps, use the platform’s own shipping; for local sales, ask the buyer to pick up in person.

Meeting buyers safely

If you’ve been scammed

Contact your bank straight away, report the buyer to the platform, and report it to the Federal Trade Commission at ReportFraud.ftc.gov. You can also report online fraud to the FBI at ic3.gov, and to your local police.

Questions people ask

How do I know a Zelle or Venmo payment is real?

Open the app or your banking app yourself and check the money is there. Don’t trust an email, a text or a screenshot, however official it looks.

Is it safe to accept cash on Facebook Marketplace or OfferUp?

Yes, if you meet somewhere public and count it first. It’s often safer than a payment you can’t check.

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