And nosey neighbors. 
We've had a Brinks system since 1992 & are very satisfied with it.
About 2 days ago we had a guy for ADR come to our door (we could see that he & some others were going door-to-door) trying to drum up some business & I told him no way would we ever switch.
We were broken into recently...burglar looked at my beta machine, avocado colored fridge and shag carpet and left me $20 on the counter.

), which is why we also have an ADT security system. We are very pleased with the service.Do you mean APX? THey do the door to door thing. (APX-Honeywell as they refer to themselves.) They came to our house too. If it sounds too good to be true, it is.