Having a security camera inside your home is a great way to keep an eye on your pet while you’re out of town or watch your kid when you’re in another room. But they can be expensive, which is why it's a smart idea to scoop up the Arlo Indoor Security Camera while it's 74 percent off (that's oly $21) at Best Buy. The camera can be used for security purposes, but can also be helpful if you have pets, kids or even elderly parents you want to keep an eye on. Read on to find out more about this big