http://www.sharktv.com/media-buying - A media buyer is able to help you advertise your product or service at the right times. A media buying agency will first review what it is you are advertising and what the best way and time to advertise this will be. They will then become involved in television media buying, basically buying your airtime. It is with the help of a media buyer that you can get these things done the right way. http://www.sharktv.com/media-buying - A media buyer is able to help you advertise your product or service at the right times. A media buying agency will first review what it is you are advertising and what the best way and time to advertise this will be. They will then become involved in television media buying, basically buying your airtime. It is with the help of a media buyer that you can get these things done the right way.