If you don't have to buy mobile devices for employees, you'll save a ton of money, right? Not so fast. There are ways to save money with BYOD, but it typically involves a very narrow scope. Citrix Systems found BYOD savings by limiting its program to PCs and Macs, because BYO smartphones and tablets weren't cost effective. You will spend less money on hardware if your BYOD program supports mobile devices, but you'll likely spend more on support and security upgrades.