When I was a kid, my dad didn't want to spend money on an alarm system so he just added that magnetic glass breakage tape around all the first floor windows and

When I was a kid, my dad didn't want to spend money on an alarm system so he just added that magnetic glass breakage tape around all the first floor windows and installed a metal panel with a locking cover plate and a series of blinking LEDS on the front and back doors. It looked really authentic, and it seemed to work - other houses in our neighborhood got burgled once in a while, but ours was the only one with those scary red lights blinking back and forth on all the doors.