ZigBee light switch that does not cost $50?

If you have Cree Connected or GE Link bulbs (or Philips Hue), Check out the Lutron Pico remote for $21: https://www.amazon.com/gp/aw/d/B014STZASK/ref=mp_s_a_1_11?ie=UTF8&qid=1485032425&sr=8-11&pi=AC_SX236_SY340_FMwebp_QL65&keywords=zigbee+light+switch

You can use this as a wall mounted switch. The wall mount bracket is an additional $5-6 : https://www.amazon.com/gp/aw/d/B00JZRAFEA/ref=pd_aw_fbt_60_2?ie=UTF8&psc=1&refRID=3MDMP06CSS21QMEWP7W4

You can connect the Lutron remote to SmartThings using this DTH :