amortizing. 1  transitive verb. 2  1 : to pay off (an obligation, such as a mortgage) gradually usually by periodic payments of principal and interest or by payments to a sinking fund amortize a loan. 3  2 : to gradually reduce or write off the cost or value of (something, such as an asset) amortize goodwill amortize machinery.
Expect to pay $30-$300 for a basic car alarm that has a siren attached to the vehicle's existing wiring system, one or two remote controls and a simple controller/brain; models at the higher end of this price range may have a back-up battery and/or more sensors than the lower-priced alarms, or a few features like a remote start or a starter ...
Note, however, that ADT promotional packages for new customers are frequently offered, and the costs shown are only an estimation based on what customers in the past have paid. 1  A basic ADT alarm system might cost around $100-$350 to install if you agree to a 36-month monitoring plan that about $35 per month.DT Home Alarm System Prices. ADT, founded more than 130 years ago, is North Americaâs large provider of electronic security services.