You might have to pay more, but it is the only way to live in a big city as you need light and a view. Ditto for toothpaste. This is a European pricing problem though. Bus tickets - cheap. A buck a Coke.
Fish is astronomically expensive.
No fish left in the Mediterranean. One last note about renting. Learn to read Greek as that is what your bills will be in and you pay the darn things off at the post office. Living in Athens My wife arrived in Athens first at the beginning of September of 1996, and I arrived in December of 1996. While we traveled around the country for both sightseeing and business, we spent at least half of our time in Athens.