Africa-Studio/Shutterstock

We don’t like TVs

A loud TV or radio can be a better deterrent than the best alarm system. If you’re reluctant to leave your TV on while you’re out of town, you can buy a $35 device that works on a timer and simulates the flickering glow of a real television. (Find it at faketv.com.) Criminals aren’t just in your home, though–they’re also online. Here’s how you can protect yourself while surfing the web.