Under $100: 1) A bidet! Got one in the pandemic when toilet paper was scarce and I wanted to be more efficient, but now I'll never go back. The Tushy ones are good. 2) A safety razor & accessories. I get a cheaper, closer, less irritating shave, and I get to customize every part of it. This can certainly be a rabbithole you spend a lot of money on, but you can get a solid customized starter kit for under $100 that wi…
Edit: Not in the US and the plumbing looks a bit like this, but without the nuts so you can't easily disconnect a part of it: https://static.byggahus.se/attachments/images/large/341/3416...