How do you get an annoying little neighbor to stop bugging you?

Aw, that's sad, she is obviously lonely, you should talk to her mother and tell her about it and see if she can send her to summer camp or find kids her own age to come over and play. Next time she comes over, ask her please not to ring the bell as it upsets your dog, and also tell her kindly that she is a bit young for you to play with and she can find kids her own age to play with, but talk to her mother first.