Even add-on equipment is discounted. For example, the $50 door/window sensor is now only $30 if you add it to your bundle. Here’s a rundown of ADT’s package prices this Black Friday ...

Integrating ADT equipment with Nest products can be complicated ... contract (two years in California). Here are ADT's list prices. Base hub, 2 door/window sensors, Nest camera and Nest doorbell.