Home security has split into two worlds: DIY kits you set up in an afternoon, and professionally installed systems with monitoring contracts. Both can work. The right choice depends on how hands-on you are, whether you travel, and whether you want a human dispatching police at 3 a.m. or a phone notification you might sleep through.
DIY systems vs professional installation
DIY systems (Ring, SimpliSafe, Aqara, and similar) cost $200 to $600 in hardware and you own the equipment. Self-monitoring is free; optional monitoring plans run $10 to $30 per month, usually with no contract. They suit renters, condos, and anyone comfortable with apps. The weak points are Wi-Fi dependence, battery upkeep, and sensors placed badly by the homeowner.
Professionally installed systems (Telus, ADT, local alarm companies) typically run $0 to $1,000 up front with monitoring at $30 to $60 per month, usually on a 3 to 5 year contract. You get hardwired or cellular-backed equipment, professional sensor placement, and a monitoring station that verifies alarms and dispatches. Read the contract before signing: look for the term length, what happens to the equipment if you cancel, and the auto-renewal clause. Cancellation penalties are where most complaints come from.
What monitoring actually gets you
Monitored means a station receives your alarm, tries to reach you, and dispatches police or fire if needed. That matters most when you are away or asleep. Unmonitored means your phone buzzes and it is on you to act. If you travel often or want fire and CO monitoring tied in (which some insurers discount premiums for, often 5 to 15 percent), monitoring earns its fee. If you are home most of the time and just want cameras and door sensors, self-monitoring is fine.
Cameras and privacy basics
In Canada you can record your own property, but pointing cameras at a neighbour's windows or yard can create privacy complaints, and recording audio of conversations you are not part of is legally risky. Aim cameras at your own doors, driveway, and yard. If a camera catches a sliver of sidewalk or street, that is generally fine. Doorbell cameras are the single best value: most package theft and door-knock casing happens at the front door.
What actually deters break-ins
Most residential break-ins are quick and opportunistic. Visible cameras, a doorbell camera, motion lighting, alarm signage, and solid deadbolts with reinforced strike plates do most of the deterrent work. Burglars pick the easy house, so the goal is to not be the easy house. Long-throw deadbolts, 3-inch strike plate screws into the stud, and locked garage entry doors matter more than any single gadget. An alarm that sirens loudly ends most break-ins that do start.
Alarm permits, false alarm fees, and hiring
Many Canadian cities (Vancouver, Calgary, Edmonton, Winnipeg, and others) require an alarm permit, typically $20 to $70 per year, and charge false alarm fees that can run $75 to $300 or more per dispatch. Check your city's bylaw before your system goes live, because police in some cities will not respond to unpermitted alarms. If you go the professional route, get three quotes and ask each company: who owns the equipment, what is the contract term and cancellation cost, is monitoring cellular or internet-based, and is the monitoring station ULC-listed. A good installer walks the house first, points out the actual weak entry points, and quotes to those rather than pushing a standard package.