I haven't been broken into since I lived with a girlfriend and we were late teens early 20's. We were also home asleep it was very scary but its served me well security wise for the rest of my life. On all my sliding glass doors I have top latches that push up through the top frame of the sliding door and key lock. Same locks on the windows but they push into the side frame not the top one. They are all from bunnings or masters. I also have sensor lights around the exterior always on and one on my front door. It takes a little bit to get used to the sensor lights coming on and off at a random toad or neighbours cat but I think it would scare someone off.
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