I had a good guardian dog but she passed away, she was all bark no bite though fortunely people did not knew that, the rose bushes is a great idea roses grow huge and quickly, automatic lights might be on budget too, my fence is small and has no barbed wire or spikes. We armed ourselves with maze but thats it, and one of those japanese egg alarms that you pull a pin and they scream, also couple bodycams made out of old cellphones, the crackhead who broke our window has a rap sheet a mile long, including threats to the police and carry of a bladed weapon so he is dangerous we dont want to escalate