Umm..... yeah and that's really not the brightest idea Friend.
No
A budgie and a parakeet are the same thing.
No, the Grey will kill the budgie.
Sanitize the cage and get new bedding and the cage is good as new!
you put it in the same cage with a male hamster
No they will fight.
no
I think so because I keep my hamster in the same cage I kept my last hamster in. I dont know for sure so ask a proffesional
NEVER put the new hamster in the same cage, with same stuff! BOIL the toys, cage, in warm, soapy water for 30 minutes! If you don't you are most likely to have another sick/dead hamster :( The disease might remain in the same cage where the sick hamster may have touched, nibbled or made any contact with. Stay safe!
yes, mine are both in the same cage
Yes. a boy hamster can be with a girl but i bet you they will have babies.
No.They will fight
That depends on the type of hamster.