Embodiments described herein include a buying and selling method including receiving a request from a user to book a ticket for an event, determining a time for the event and a venue for the event, detecting when the user is at the venue for the event, and in response, electronically funding a user account with an amount sufficient to buy a ticket for the event. The user is notified that funds are available for the ticket. Embodiments further include, after the end of the event, detecting whether the funds were redeemed and determining whether there is a balance remaining over the funded amount. If the funds were redeemed by the user before the event, event data is collected, including a time of the event, a type of the event, a name of the event, and a location of the venue. The event data is associated with user data.