Why Rottweilers or Malamutes? The latter are not suited for this climate at all.

Do you have experience with these breeds? Have you done your research?

It is important that a dog go to the right home, not just one with the money and the space. The owner has to be right too.

Not saying you're not a good owner, but these breeds need some research and some soul searching to decide if you are indeed ready to look after one properly.