In Chapter 9: Locks and Alarms, the author discusses the kinds of locks and alarms which may be used to secure your home from intruders or accidents. The chapter covers door locks, window locks, alarm and camera systems, selecting an alarm company, and building codes related to locks and alarms. The advantages and disadvantages of various lock types for doors and windows are described. This chapter also includes sections on the different types of alarm systems and alarm system componentry, along with tips for selecting an alarm system installer and monitoring vendor.