Walmart’s Pay with Cash scheme – which allows shoppers to order online and pay in cash in store – accounts for nearly 2% of online orders, according to Joel Anderson, chief executive of Walmart.com. He told a conference in Chicago that 30% of Pay with Cash customers were new to Walmart.com and their orders were typically 50% larger than average online orders.

Walmart launched Pay with Cash in April to provide a means of shopping online for people with limited access to credit.