Distilled draws minerals from your body. It's best to drink it at the same time as good mineral supplements. Use whats available until you get a good quality purifier. It beats being dehydrated.
Indeed. Short term if possible.
Old wives tales.
"All that is necessary for the triumph of evil is that good men do nothing." **Edmund Burke**
"They that can give up essential liberty to obtain a little temporary safety deserve neither liberty nor safety." **Benjamin Franklin**