Samsung sensors (Multipurpose and Arrival) and Power Outlet are half off at ABT Electronics.
Shipping is free after $45 for sensors. Free pickup if store available near you.
http://www.abt.com/resources/page…martthin
http://www.abt.com/product/105029/Samsung-SmartThings-Multipurpose-Sensor-FMLTUS2.html
http://www.abt.com/product/98985/Samsung-SmartThings-Power-Outlet-FCENAPP1.html
http://www.abt.com/product/105027/Samsung-SmartThings-Arrival-Sensor-FARRUS2.html