If you are a member of USAA or are considering it,
here is their deal on home security systems by ADT:

• ADT monitored protection starts at less than $1 a day
• You may receive a discount off your basic homeowners insurance premium
• Sign a 24-month contract instead of the standard 36-month agreement
• Military deployment benefit gives members three months credit
  of basic monitoring service
• If you move after two years with ADT, get a basic hard-wired package installed at
  your new house for free