Had a job here for a short time in the home security business.....and higher up insider/mgr. told me that in FACT the sign out front was about 90% of the job.....NOW I have a sign, BUT, I have a RED LED in my living room wall, it tells me the garage door is closed/when lit up....get a few of them and look at your house layout.....it's a psych warfare gig more than anything....
Decades ago, Radio Shack sold a large RED fire alarm bell, wired into a 12 volt system, with car battery backup, and sensors.....the bell was mounted way up top of the attic vent.....it woke up the burb but GOOD....not some wimpy childish woop woop car sound.....damn bell was nearly 10" diameter.....
no need to pay some outfit 100/month for basically nothing.....:devil: