Hey, Fur Kids Have Feelings Too
When introducing a new animal to your household even a human one, it is important to think of the feelings of your only cat. Cats and dogs can be very territorial and protective. It is important for everyone's safety and mental wellbeing to make introductions slowly. You will most likely have to isolate the new animal for at least a few days. And never leave a new baby alone with an animal that is unfamiliar with him or her.
Jaxson Galaxy has one of the most comprehensive guides to introductions. I have shared it with all of the multi cat homes who adopted from me. I don't see a need to reinvent the wheel. If you already have a fur kid at home and are thinking about adopting another or you are expecting a two-legged kid, please take time to
read his blog post and make the necessary preparations.