how can I buy tickets online
depends wht kind of tickets your talking about... movie tickets... concert tickets... raffle tickets... normally you can go to a site for what ever it is you want... and if there is an option to buy tickets then just follow the directions... of call the number of the place you are trying to get into and get ticktsthat way
Stubhub? Ebay? Those are some options, be more specific & we can help you better.
Just log on and book cheap tickets online.