Kids grow fast and their interests evolve quickly, so that sweet bedroom your preschooler loved may not make sense for their needs in a few years. Before you know it, your kids are begging for a more grown-up space to match their evolving sense of personal style. Giving your kids the opportunity to create their own space is important for their developing identity – and you don't have to break the bank to do so. These are some budget-friendly tips for getting started.