Don't wire them the over payment to the account they provide! ! !

If you need to refund your customer, ensure you return funds to the original payment source.

Keep records and blacklists: Create a payment history for each customer and record all transactions to establish their typical buying patterns.

Maintain a customer database of names, email addresses, IP addresses associated with fraud or suspicious activity.

You can then check on the details of incoming transactions against your list manually or use an automated system to immediately decline or flag blacklisted transactions for further review.

Contact the customer to confirm the order information:

If the order appears suspicious, please contact the customer by phone or email to verify the information.

If the phone number is incorrect or not in the service area, please pay attention and trade with caution!

If the phone number is incorrect or not in the service area, please pay attention and trade with caution!