It's always nice to hear (or in this case read) that someone wants to become a dog owner.
If you have researched everything about looking after a puppy and a dog (they're hard work), I can't see why a breeder would be opposed as long as you would be able to provide everything it needs.
However, saying that, will you be able to provide what it needs? I understand, and probably agree, that you will be much more comfortable around a dog you have raised, however it needs to be socialised as a puppy - this includes it meeting many other dogs. And even once it has grown, it's good for it to be able to continue to socialise with other dogs. Will you be able to provide this or will you fear of other dogs stop this?
It depends as well on the extent of your fear...