Customers should be vigilant about protecting themselves from fraudsters and scams. Scams on mercari and how to avoid getting scammed. Webso there you have it:

The buyer's regret is real, and unfortunately, it tends to happen even more with online purchases as the items are seen. Always inspect the item before you buy it. Make sure that it’s in good condition and that it matches the description provided by the seller. By looking for common scam types such as fake listings, counterfeit product offers, and payment.