We obtain address information about you from third party sources, such as the US Postal Service, UPS, FedEx, Experian, TaxJar, Avalara, No Fraud, to verify your address so we can properly ship your order to you and to prevent fraud.</p> <strong>Invite A Friend</strong> <p> If you feel that the services of monoprice.com would be useful for a third party you know (e.g. your friends or family members etc), you may use our referral service.