She will start making a really big nest and hide food there,also she will not want the male in the cage because he will eat the babies.
For my hamster, it to about 10 seconds for her to become physically fertilized.
It depends on the hamster, so i dont know.
What is a hamster that has no legs called? A furball.
you get it
Ask yourself one key question: "Do I want a hamster?" If the answer is yes, then any hamster will do.
a hamster doesnt know how to swim this is all i know soz
you will have to ask the person who sold you the hamster that is the only way.
If he bites you.
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. 
hamster tumors are just the same as a humans. When you start to feel small or large bumps on a hamster you will know that its a sign and you should immediately take your hamster to the vet, and they will see what they can do, or if your hamster is in pain, they can put your hamster to sleep humanely.
Get a bear hamster DO NOT get a dwarf hamster they are evil and if you see them in the store and they are not evil yet they will become evil!I LOVE MY BEAR HAMSTER!!!
A Russian hamster is small,quite fat and fluffy. A Chinese hamster is the sallestt, thin with quite big eyes. a syrian hamster is big with fur.