There is not only one heaven. There are many of them. Besides there are ideal planets and individual realities.
Each religion has its own heavens. They are organized this way: there are several gods in add-ons which controll for the equivalent all the things. They watch people who live inside and help them in their ways.
Some heavens have cars, sea and even yachts, they have houses with the pools, mountain roads and beautiful temples for Gods.
Some heavens have hotel complexes with many rooms for the families.
Some heavens are defended the best way, some more or less.
If you want to higher heaven, you should live in a dignified manner.