You can easily sell your events on your website using the Ticket & Invoice add-on. this add-on allows you to manage your attendees’ check-in, send out tickets and invoices in email format. Using this add-on, you can design your own invoice & tickets. The QR codes on the tickets enable you to check-in attendees using the QR code scanner device. Using this tool, you manage your payments on your own website. No need to refer your customers to any other third party websites – requires Modern Events Calendar WordPress Plugin.