Home Slickdeals Patio Raised Garden Bed Kit with Watering System and Casters $20. ... Slickdeals Patio Raised Garden Bed Kit with Watering System and Casters $20. Reg $30. Free in store pick-up at Lowes. By ARCOM - 15 March 2018 197 0 SHARE Facebook Twitter Go to the deal page: Patio Raised Garden Bed Kit with Watering System and Casters $20. Reg $30. Free in store pick-up at Lowes.