No, you do not need a rabies shot to get a dwarf hamster. Rabies is not a common concern with pet hamsters, as they are not known to carry the virus. It is always advisable to consult with a veterinarian for specific advice on caring for your pet.
You need to take it to your vet, as it will NOT heal on it's own
If a rabbi's hamster bites you, the most you could do is attempt to sue for damages, you certainly could not have him shot!
You see in order to put your hamster on-line. Yess you do need to have a Webkinz. This is because with out a webkinz you will not have access to the Webkinz world which also means no access to the code shop which is what you need to put your hamster online.
No
You need a male and a female hamster and if they love each other ( which is very likely) They will make babys! But dont breed them on your own talk with your parents about this and they can decide !
Unless given by a doctor or vet, you should never give a hamster a shot unless they are going to die.
How are up the finger did the nail break?If the hamster broke a tiny chip of nail, it will heal on it's own. If the hamster broke the nail into pink area of the nail, you should bring it to the vet for medicine. If the hamster broke the whole nail off, you definitely need to bring it to the vet!
a wheel in its cage or a hamster ball
No, tetanus shots are for rusty metal.
If you see the hamster looking and nibbling for a place to get out, then they want to get out. I found this answer because my own hamster escaped. 
it is illegal to own a rabid animal.