Seven times last month, Benjamin Karmis, a 26-year-old priest from Wheaton, Illinois, failed to get his hands on the latest Sony PlayStation 5 video game console from retail websites including Walmart Inc and Facebook Marketplace.<br /><br />But it wasn't because another person beat him to the purchase.<br /><br />Instead, Karmis and other shoppers were outgunned by so-called “scalper bot” software, which resellers use to snatch up products online and relist them moments later at significant mark-ups on eBay and Amazon Marketplace.
