Once you have ordered Wideband from Time Warner Cable and purchased your Slingbox at Best Buy, visit www.twcablerebates.com/wideband to submit your application for the service credit. You will need your Time Warner Cable account number and an electronic copy of your Best Buy receipt showing Slingbox PRO-HD purchase during this process. Alternately, you may submit your application by mail using the order form available online and at participating Best Buy stores.