Do you literally have acid laying in your bedroom for home intruders? And what if it's not an intruder? What if it's someone you know who forgot their keys?
I do actually, along with knives, steel pipes, hammers, and other improvised weapons (thermite if I want to go nuts). And no one besides me has a key to my apartment.
Do your landlords know you have a serial killer themed bedroom?
I actually though about rigging the HCL and Thermite into traps, but automation just increases the risk that I kill someone innocent (acid) or burn down the building (thermite). I still have the knives/scalpel and the hammer and pipe at the ready though (I pull out the drawer they are in before bed so there's no need to fumble with it in the case of a break in).
There is something not quite right with you.
Nah, I just don't fuck around when it comes to protecting myself from scumbags.