you'll have to get laws and police to make sure your citizens behave and get punished if they don't you'll have to make sure you have a steady supply of electricity, i advise the solar panel things you also have to make sure you have plenty of food for winter, hunting and fishing work well on summers but winter makes it hard you'll also want to make sure your "borders" are secure, with some fence or something that is regularly checked so no sketchy guy from outside gets in, plants "evidences" that the feds could use against you atop of my head a few advices
France