To ensure their infrastructure and data remain available and resilient, organizations are turning to data protection and availability appliances. When deploying such appliances, however, there’s always a key decision to make: build the appliances in-house or turn to an established and reputable vendor. When it comes to building your own (BYO) versus buying an appliance, many enterprises believe they can save budgetary funds on up-front hardware-related capital expenditures. Unfortunately, it’s not that straightforward. Over time, it can be considerably more costly to build an appliance yourself in-house than it is to buy. This paper explains why.