Well your parents are of the opinion that 1 should be enough. I would sit down and talk to them see if compromise is an opportunity.
Convince them that it is for a learning experience!
Honestly, you can't convince them. Either they will let you or they won't.
if your parents wont let you get sponsored, well, id yell at em.
you say parents are going with
This depends on your parents, and to a very large extent on how well you have been taking care of your dogs. Are you the one who walks them and feeds them, or is Mom doing that? If the dog needs a bath, who does that? Your parents will look at how you have been handling the animals you already have in order to figure out whether you are likely able to take care of another.
say please
I have the same question!
you ask them
make a deal with them and stick to it :)
come out of the closet
tell them you want rats