There are so many possibilities for dual career couples in academia in Germany and academics will be one of the first to provide an overview of the possibilites for dual career couples.
Freiburg is an important centre for academia and has a number of top notch research institutes to its name, as well as an ancient and internationally respected university which excels both in the sciences and humanities.
Founding a company in the field of life sciences is associated with high initial investments for good equipment and capable minds are required. Scientists who dream of founding a company will find the authorities in Germany to be extremely considerate and generous. Yet the competition for ideas is fierce. On routes and possibilities of founding a company.
A doctoral degree will certainly only help you to become rich in an idealistic sense. The first contract for a PhD position should have a term of at least one year - after which, graduates are rewarded with their first salary increase.