What is a good way to get into this?

I have had no dogs or cats as pets ever but have had many other animals (rabbits, Guinea pigs, hamsters, birds, chipmunks).

These were all years ago now. Mostly in childhood.

I would prefer to volunteer somewhere with cats and dogs. I am generally OK around dogs and cats but only familiar animals of friends.

Also I would like to get a pet can't really convince my Dad / landlord of a cat.

Thinking of getting 2 rats in the future but they seem expensive.

I used to be scared of dogs years ago but am OK with them now. Any tips?