It’s the battery. A lot of doorbell cameras have an internal battery to keep the camera powered when the chime is rung. A few of my friends have to replace their unifi doorbell cameras once a year after winter

TKL keyboards are a lot more ergonomic. Getting a separate mechanical numpad and putting it on the left side of the board also boosts productivity considerably

My elderly mother has been using Linux for almost 10 years. I don’t think I’ve ever gotten a single tech support phone call from her for it