Online Shopping and Marketplace Scams: How Fake Stores, Fake Sellers, and Fake Buyers Steal Your Money
- CYBERRISKED®

- Apr 5
- 6 min read
Online shopping makes life easier. So do online marketplaces. You can find a deal in minutes, sell something from your house, and have a package on the way without leaving your couch. That convenience is exactly why scammers like these platforms so much.
People are used to fast checkouts, limited-time deals, mobile payments, and quick messages between strangers. Scammers take advantage of that. Instead of “hacking” their way in, they often create fake listings, fake websites, fake buyer profiles, or fake shipping messages and wait for someone to act too quickly. Recent consumer warnings keep pointing to the same patterns: fake brand-name ads, scam shopping sites, pressure to pay outside the platform, fake payment confirmations, and package-related follow-up scams.
The good news is that these scams usually leave clues. Once you know what to watch for, they become easier to spot and avoid.
Fake online stores and fake social media deals
One of the most common shopping scams starts with an ad. You see a product you recognize, the price looks unusually low, and the ad creates urgency. Maybe it says the company is clearing inventory, running a flash sale, or offering a one-day discount.
You click, and the site looks real enough. The logo is there. The product photos look polished. The checkout page works. But after you pay, one of three things usually happens: nothing ever arrives, a cheap counterfeit shows up, or the seller keeps your money and your personal information. The FTC has specifically warned that scammers impersonate real companies on social media and use deep discounts to lure people to fake sites.
A message like this should make you slow down:
“Today only. 85% off. Final clearance. Limited stock.”
That doesn’t automatically mean it’s a scam. But when the discount is that extreme, the pressure is high, and the seller is unfamiliar, you should assume your risk goes up until you verify it.
Marketplace sellers who want you to pay outside the platform
Marketplace scams often look more personal. Maybe you find a couch, a phone, a power tool, or concert tickets. The seller seems responsive. The price is attractive. Then they say something like:
“I’ve had problems with the platform before. Can you just send payment through Zelle?”
That is a major warning sign.
The FTC warns people not to pay outside the marketplace’s payment system because doing that can remove the protections the platform offers. It also warns against payment methods that are hard to reverse, including wire transfers, gift cards, and cryptocurrency. The same FTC guidance says safer payment methods like credit cards can offer legal protections if something goes wrong.
In plain English, once a seller pushes you off-platform, your risk goes up fast.
Fake buyers target sellers too
This part matters because marketplace scams don’t just affect buyers. If you’re selling something online, scammers may pose as interested buyers and try to trick you into sending money, shipping the item before payment actually clears, or sharing a verification code.
The FTC warns about several versions of this scam:
A fake payment notification, where the scammer claims they paid you through an app, but the payment email or screenshot is fake.
An “I accidentally paid twice” story, where they ask you to refund money you never actually received.
A classic overpayment scam, where they send a check for too much and ask you to send the difference back before the bank discovers the check is fake.
A fake verification code trick, where a supposed buyer asks for a code sent to your phone so they can misuse your number.
A fake buyer might say:
“I sent the payment already. Check your email.”
“My assistant mailed you a cashier’s check for extra. Just send the difference back.”
“I just need the six-digit code to prove you’re real.”
These are not small red flags. They’re red stop signs.
Shipping and package scams can show up after the order
Some scams don’t end at checkout. They continue through fake shipping texts, fake package problems, and even unexpected packages sent to your home.
USPS warns that package tracking text scams try to get you to click links and enter personal or financial information. It says USPS will not send you texts or emails unless you first requested the service with a tracking number, and its texts will not contain a link. The FTC and FBI have also warned about brushing scams, where people receive items they never ordered, and about a newer variation where unsolicited packages include QR codes that can lead to phishing sites or malware.
So if you get a message like:
“Your package cannot be delivered until you pay a small fee.”
“Scan this code to identify the sender.”
“Your order is on hold. Confirm your payment details.”
Don’t click right away. Go directly to the retailer or shipping company website you already know is real and check there.
Fake reviews can make a scam look trustworthy
A lot of people try to protect themselves by checking reviews first. That’s smart, but it’s not foolproof.
The FTC has warned that fake and manipulated reviews are a real problem, and brushing scams can even involve sellers using your name or information to post positive reviews for products you never bought. That means a page full of glowing feedback does not always prove a seller is legitimate.
That’s why it helps to look beyond the star rating.
Are the reviews detailed?
Do they sound like real people?
Are there outside complaints when you search the seller’s name along with words like “scam,” “complaint,” or “review”?
The FTC specifically recommends checking what others are saying about a seller outside the social platform itself.
Warning signs that show up again and again
Whether you’re buying or selling, these scams often follow the same script:
The price is unusually low
The person pushes urgency
They want payment through a hard-to-recover method
They want to move you off the platform
They avoid normal verification
They send fake screenshots, fake payment notices, or fake shipping updates
The listing uses stock photos or very little detail
The website or message asks for more personal information than the transaction should require
Those patterns line up closely with current FTC guidance on scam warning signs, online shopping scams, marketplace purchases, and seller fraud.
What you can do before you buy or sell
Pause before you pay.
If the deal feels rushed, step back. Scammers count on people acting before thinking.
Check the seller outside the ad or platform.
Look up the company or seller name yourself. Don’t rely only on the profile, ad, or link they sent you. The FTC specifically recommends searching the name with words like “scam,” “complaint,” or “review.”
Stay on the platform.
If you’re using a marketplace, keep communication and payment inside the system whenever possible. The FTC warns that paying outside the platform can cost you the protections the site offers.
Use safer payment methods.
Credit cards generally give you stronger protections than wire transfers, gift cards, or cryptocurrency. FTC guidance also warns that money sent through hard-to-recover methods is often gone for good.
Be careful with package texts and QR codes.
If you didn’t specifically request tracking, don’t trust a delivery text with a link. If you get an unexpected package with a QR code, don’t scan it.
If you are selling, do not trust screenshots alone.
The buyer may send you a fake screenshot showing that payment has been made. Keep waiting until payment is actually in your account and verified through the platform or service you’re using. Don’t refund “extra” money. Don’t share one-time codes.
If you already got scammed
Act quickly.
If you paid by credit or debit card, contact the card company and dispute the charge.
If the problem happened on a marketplace, report the seller to the platform right away.
If you paid through a payment app, contact that service immediately.
The FTC also says to report scams at ReportFraud.ftc.gov, and USPS points people to report package-related smishing and phishing as well.
Final thought
Online shopping and online marketplaces are convenient because they remove friction. Scammers know that. They try to make the purchase feel normal, the message feel routine, and the payment feel quick.
The best defense is not paranoia. It’s slowing down just enough to verify what is in front of you.
If a deal is unusually cheap, a seller wants you off-platform, a buyer sends a strange payment story, or a shipping message pushes you to click fast, stop. Take a second look. That pause can save you money, time, and a lot of frustration.


