Why does it cost more to live in some places than it does in others? what factors are most important when choosing a place to live?

Why does it cost more to live in some places than it does in others?
 Geographical location is a fundamental factor in the cost of a home.
 Normally, expensive homes are far from popular places.
 They are more expensive because they are larger and are usually located in places with elegant views.
 They are also usually located near a wide range of services such as supermarkets, shopping centers and hospitals.
 What factors are most important when choosing a place to live?

The important factors are:
 1) The cost of housing.
 2) The services near the place where you will live: electricity, water, supermarkets, hospitals.
 3) Choose a safe place