Protection from natural disasters, home appliance malfunctions, and medical emergencies should also be considered. In addition to providing more comprehensive protection, complete home security systems that are backed by professional monitoring services may also qualify customers for discounted homeowner’s insurance premiums of up to 20 percent. Learn more about professional home security monitoring here. Learn more about how much home security systems cost here. Minimum $49. 99/month services agreement required. Minimum $599. 99 equipment purchase may be financed subject to an agreement with one of Vivint’s financing partners. $49 to $199 installation fee applies. Financing eligibility and terms subject to credit approval. Month to month service agreement available when equipment is purchased upfront.