This Samsung Galaxy Gear Smart Watch drops from $299.99 to $209.99 at T-Mobile when you use coupon code FALLFUN30 at checkout. Plus, shipping is free. This smart watch sells for nearly $200 more everywhere else. It works in conjunction with the Samsung Note 3 and allows you to access some operations of the phone and see tright on the watch, including messages, music, weather and more. It also has a built-in camera. Sales tax is charged in most states.