One option for selling tickets online is to get an account with PayPal and take advantage of their "payment button" functionality. With this option you don't have to create a shopping cart for your website. However, you will need to create and event listing on your website and then create a payment form on PayPal.
You have an event. Now you need to figure out how to sell tickets online - and preferably for FREE, right?!
You came to the right place. Ticketstripe let's you list your event for FREE and gets you paid within two days of every purchase.