Baby parakeet questions?

We just had an unexpected hatching of parakeet babies over the last few days. Mom and babies seem fine at the moment. Any particular issues that need adressed to continue for them to thrive? ( please be nice I was hesitant to ask since some responses have been rather nasty. The birds were a present to my daughter. The were bought from a pet store reffered to me by a friend that advertises they "specialize" in birds. we were advised to buy two for companionship, and were advised that male/female pairs are the most compatable. My first comment was that we weren't interested in breeding and I was told that if we did not provide them with a nesting box they would not fertilize them and to throw the eggs away when they looked like they lost interest. Well they did fertilize them, they didn't lose interest and now the babies are here and I cannot change that. Any advise would be welcomed however I am not here to be chastized as an unresponsible pet owner.) Thanks!