A major home repair can tax any budget. But you don’t have to be surprised when something in your home goes kaput. It’s possible to know, more or less, how long most home components are likely to last and plan for their replacement. Plus, knowing the life span of appliances and home fixtures can help you decide when to repair and when to replace. The most expensive components of a home are generally the roof, electrical system, plumbing, furnace and air-conditioning systems. The stakes are high for homeowners because replacing any one of these systems can mean a bill of four or five figures. For suggestions on how to plan for home repairs, read the full story on our sister site, Living on the Cheap.