1. Always confirm that you have received a payment by checking your PayPal Account History Log.-Even a transaction that is "pending" or "on hold" will show up there.2. If you don’t see the payment, you have not been paid.-Check with the sender to make sure the payment was sent the correct email address.3. Understand your coverage. -Read the Seller Protection Policy in the PayPal User Agreement.
Learn more in the PayPal Security Center