Part of the experience that makes visiting countries with a different currency awesome is that you have no idea what the actual worth is of your spending. Euro is convenient though
Seperate phone, solely used for WA. When no relative is dying and you dont need to be available buy a proper faraday bag and only take it out when you need to.
You forgot the bots and potential abuse that comes with it. Bunch of bots getting into a fight to lower the ranking of the post.