If you want a safe that is hard to find and almost impossible to remove, get a wall or floor safe. They come in handy when a freestanding or portable safe is not an option for you.
Both wall and floor safes become a permanent part of your building structure. Floor safes are encased in concrete while wall safes discreetly secure your valuables. They work best when installed by profess... https://www.safesaustralia.com.au/are-wall-safes-worth-it-in-rentals/