Sam’s Club is reportedly preparing to launch its first store without checkout lanes.Scheduled to open in the middle of this month in Texas, the store will require customers to use an app called Scan & Go to ring up items on their smartphones as they shop, CNBC reported Monday (Oct. 7).Where most stores would have cash registers, the report adds, the Walmart-owned club retailer will instead display online-only items such as giant Christmas trees and diamonds. Workers, meanwhile, will have around four times a ...