We provide GPS monitoring for $20 a month per tracking device (updated 2024).  Our billing is automated invoicing each 180 day cycle ($120.00).  Payment is due on the date of invoicing.  A reminder is sent if not paid. GPS units are disconnected on the 3rd day and a $15 re-connect fee is added.  We do not suspend GPS service on a week end (Sat-Sun) Removal of our sim card erases programming! A fee to re-program and USPS fee!