There are limitations to each of these and the homeowner must understand what those are. Each situation is different. The homeowner must keep in mind that each house design is different and requires a different approach. The homeowner must determine what kind of threat they are trying to protect against. For example, defending against personal threats, such as assault, requires different measures than defending against burglary.
Most burglaries are opportunistic.
If a thief receives information that a house has something worth stealing, it increases the potential benefits. Most home burglars do not give great amounts of thought into planning the job and assessing the benefits vs. dangers. But understanding how they select a target can go a long way in reducing your chances of being a victim. Fool Them Burglars do not want to be seen. Therefore, they prefer to enter a home while it is unoccupied.