There are some dogs which regarded as worst dog breeds. Those are not recommended for newbie pet owner and kids. Though dog is the most friendly pet for human, but some of them are not really good at it. They need a quite long time to adapt with the environment. Therefore, those kinds of dogs are not recommended to be one. Dogs like Chow Chow, Alaskan malamute, and Rottweiler are the worst dogs to own for newbie.
It is not recommended for you to have a dog with an aggressive characteristic. Those dogs may be interesting and great but you do not know how to tame it. Then, it will be useless for you to have a dog. Some dogs might be good for newbie, but not good for children. It could be disastrous if you have a toddlers or children t your house. Therefore, you have to avoid adopting worst dog breeds.