What strategies can small businesses use to get customers to enter their email address?

What ideas can I get for offering incentives to customers for providing their email address at our local retail stores? We offer buying, selling, and repairing of smartphones and our customers’ needs are typically straightforward.

CVS.com is an online platform that is only available to customers located in the United States or U.S. territories. If you are a U.S. military personnel permanently assigned or on temporary duty overseas, you can call their Customer Service team for assistance with your order.

This text appears to be a notice stating that CVS.com is not available to customers outside of the United States or U.S. territories. The notice also provides a phone number for U.S. military personnel located overseas who need assistance with their orders.