I've been working on changing passwords

i've been working on changing passwords and all kinds of things to protect my privacy,location phone etc,, i've had this issue being located years ago i have an iphone 7s.. i'm trying to unsync phone n computer.. also everytime i sign into apple it states its being used in boston.. i'm in saugus mass ,,Ive changed password 3 times today... still saying boston..spoke to someone who said doesn't always have exact location.. lol it a lot anyone have lol all these issues???? if iphone is always HOT!! and or battery draining quickly its a possible sign someone is hacking your phone... followed some steps and phone isn't hot anymore.. wondering about apple location im in mass.. boston mass but saugus is not close..

[Re-Titled by Moderator]